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2 changes: 1 addition & 1 deletion CHANGELOG.md
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
## 0.18.15-dev0
## 0.18.15-dev2

### Enhancements

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2 changes: 1 addition & 1 deletion unstructured/__version__.py
Original file line number Diff line number Diff line change
@@ -1 +1 @@
__version__ = "0.18.15-dev0" # pragma: no cover
__version__ = "0.18.15-dev2" # pragma: no cover
14 changes: 5 additions & 9 deletions unstructured/partition/common/metadata.py
Original file line number Diff line number Diff line change
Expand Up @@ -252,16 +252,12 @@ def _assign_hash_ids(elements: list[Element]) -> list[Element]:
or more fragments for parallel processing.
"""
# -- generate sequence number for each element on a page --
page_numbers = [e.metadata.page_number for e in elements]
page_seq_numbers = [
seq_on_page
for _, group in itertools.groupby(page_numbers)
for seq_on_page, _ in enumerate(group)
]

for element, seq_on_page_counter in zip(elements, page_seq_numbers):
page_seq_counts = {}
for element in elements:
page_number = element.metadata.page_number
seq_on_page_counter = page_seq_counts.get(page_number, 0)
element.id_to_hash(seq_on_page_counter)

page_seq_counts[page_number] = seq_on_page_counter + 1
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Bug: Hash ID Generation Fails Post-Refactor

The _assign_hash_ids refactor changes sequence numbering from resetting for consecutive page groups to a global counter per page. This breaks deterministic hash ID generation, particularly when elements are not perfectly ordered or processed in fragments, violating the docstring's guarantee.

Fix in Cursor Fix in Web

return elements


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