Pith Number

pith:QHSE563D

pith:2019:QHSE563DL2YCXY4NF5UC3RM67L

not attested not anchored not stored refs pending

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Lei Zhu, Liqiang Nie, Xuzheng Yu, Yinwei Wei, Zhiyong Cheng, Zhou Zhao

arxiv:1908.09987 v1 · 2019-08-27 · cs.MM · 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{QHSE563DL2YCXY4NF5UC3RM67L}

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	2026-07-04T23:59:52.552894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e44efb635eb02be38d2f682dc59efacf2bfd2ec8f7ebda18579f10ef6e3354

Aliases

arxiv: 1908.09987 · arxiv_version: 1908.09987v1 · doi: 10.48550/arxiv.1908.09987 · pith_short_12: QHSE563DL2YC · pith_short_16: QHSE563DL2YCXY4N · pith_short_8: QHSE563D

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/QHSE563DL2YCXY4NF5UC3RM67L \
  | 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: 81e44efb635eb02be38d2f682dc59efacf2bfd2ec8f7ebda18579f10ef6e3354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37a29a5533fccc1f93adbfcae1ce01cae9dc8efb7827191a252753afa09ef91e",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2019-08-27T02:14:52Z",
    "title_canon_sha256": "f5c30c5235411bae309c531baa89af992b7b5602ba2a3158aa98f206b7771b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09987",
    "kind": "arxiv",
    "version": 1
  }
}