Pith Number

pith:PJV4JRXY

pith:2017:PJV4JRXY3HXUC6THJDHD4VUNV4

not attested not anchored not stored refs pending

Navigation Objects Extraction for Better Content Structure Understanding

Bangpeng Li, Can Wang, Jiajun Bu, Kui Zhao, Zilun Peng

arxiv:1708.07940 v1 · 2017-08-26 · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJV4JRXY3HXUC6THJDHD4VUNV4}

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	2026-05-18T00:36:37.567564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a6bc4c6f8d9ef417a6748ce3e568daf340b888f1c7a308fdbebdc98cd1538b2

Aliases

arxiv: 1708.07940 · arxiv_version: 1708.07940v1 · doi: 10.48550/arxiv.1708.07940 · pith_short_12: PJV4JRXY3HXU · pith_short_16: PJV4JRXY3HXUC6TH · pith_short_8: PJV4JRXY

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/PJV4JRXY3HXUC6THJDHD4VUNV4 \
  | 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: 7a6bc4c6f8d9ef417a6748ce3e568daf340b888f1c7a308fdbebdc98cd1538b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "592cb22590007e58ec2d5c82939e66d38687a676b62689111f32337a7902c0ec",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-08-26T06:59:24Z",
    "title_canon_sha256": "3e42515dadd422ad2f0f23ac60899b32a2ef960cea746e7425eadb00fdcbbfc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07940",
    "kind": "arxiv",
    "version": 1
  }
}