Pith Number

pith:QTNYHVLE

pith:2021:QTNYHVLEQJSYSCXWWK6EDWZPRI

not attested not anchored not stored refs pending

Essence of Factual Knowledge

Daniel Sun, Guoqiang Li, Raymond Wong, Ruoyu Wang, Shiping Chen

arxiv:2107.00729 v3 · 2021-07-01 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTNYHVLEQJSYSCXWWK6EDWZPRI}

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	2026-07-05T03:24:11.867422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84db83d5648265890af6b2bc41db2f8a0dc12d2050482e777ffa1f2aaac5365f

Aliases

arxiv: 2107.00729 · arxiv_version: 2107.00729v3 · doi: 10.48550/arxiv.2107.00729 · pith_short_12: QTNYHVLEQJSY · pith_short_16: QTNYHVLEQJSYSCXW · pith_short_8: QTNYHVLE

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/QTNYHVLEQJSYSCXWWK6EDWZPRI \
  | 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: 84db83d5648265890af6b2bc41db2f8a0dc12d2050482e777ffa1f2aaac5365f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e3d4e87c16c965026ad414b9799b8767924f999fbb8b664302eec7a842bded",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-07-01T20:09:56Z",
    "title_canon_sha256": "6af11ceb2087ba29930b286debbf558e1d97a8af73b2b7cedf5d1f3d2f26d0a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00729",
    "kind": "arxiv",
    "version": 3
  }
}