Pith Number

pith:NXSHD7XV

pith:2026:NXSHD7XVU5T46NOKDDRPRZKKEN

not attested not anchored not stored refs pending

HPD-Parsing: Hierarchical Parallel Document Parsing

Cheng Cui, Hao Zou, Jingjing Wu, Le Xiang, Lingshu Zhang, Manhui Lin, Qunyi Xie, Shu Wei, Tengyu Du, Xiaolong Ma, Xu Fan, Yangliu Xu, YY

arxiv:2607.18839 v1 · 2026-07-21 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXSHD7XVU5T46NOKDDRPRZKKEN}

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	2026-07-22T01:23:15.256475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6de471fef5a767cf35ca18e2f8e54a23554ab65ea0b2ce8e1ea3cab7baedf13c

Aliases

arxiv: 2607.18839 · arxiv_version: 2607.18839v1 · doi: 10.48550/arxiv.2607.18839 · pith_short_12: NXSHD7XVU5T4 · pith_short_16: NXSHD7XVU5T46NOK · pith_short_8: NXSHD7XV

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/NXSHD7XVU5T46NOKDDRPRZKKEN \
  | 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: 6de471fef5a767cf35ca18e2f8e54a23554ab65ea0b2ce8e1ea3cab7baedf13c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92745dc402e3735f88008b568e12ef756e1703834559c39b0f1af10bf4466594",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-21T08:25:32Z",
    "title_canon_sha256": "936cd4c1c95221acc5c9a9b05fad5decc818cb78a3fda72c636ae5f510a60d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18839",
    "kind": "arxiv",
    "version": 1
  }
}