Pith Number

pith:GFTZSTAP

pith:2026:GFTZSTAPVWG4GIFGNIQP3YAX66

not attested not anchored not stored refs pending

Heterogeneous Element-Aware Cross-Version Differencing of Scientific Documents via Layout-Aware Alignment and Structure-Aware Reasoning

Hao Wang, Keran You, Wenkang An, Zhen Yina

arxiv:2607.14117 v1 · 2026-05-08 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFTZSTAPVWG4GIFGNIQP3YAX66}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-17T00:20:52.876691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3167994c0fad8dc320a66a20fde017f7b1b5e16d5c2d5456decf334d65461a36

Aliases

arxiv: 2607.14117 · arxiv_version: 2607.14117v1 · doi: 10.48550/arxiv.2607.14117 · pith_short_12: GFTZSTAPVWG4 · pith_short_16: GFTZSTAPVWG4GIFG · pith_short_8: GFTZSTAP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GFTZSTAPVWG4GIFGNIQP3YAX66 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3167994c0fad8dc320a66a20fde017f7b1b5e16d5c2d5456decf334d65461a36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3de88d5f7a82eed00ce7302f473a348c02f8b3fc3fbf997b14520f6d70e953a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-08T14:07:03Z",
    "title_canon_sha256": "79acb436a84c897cda193780f2543ea42bfd96e73816e9b54e9ecb218d41338e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14117",
    "kind": "arxiv",
    "version": 1
  }
}