Pith Number

pith:7O76GO7U

pith:2019:7O76GO7UXUUDBYD7KCI5YLBCKA

not attested not anchored not stored refs pending

Fact Discovery from Knowledge Base via Facet Decomposition

Wai Lam, Yankai Lin, Zhiyuan Liu, Zihao Fu

arxiv:1904.09540 v1 · 2019-04-21 · 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{7O76GO7UXUUDBYD7KCI5YLBCKA}

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	2026-05-17T23:48:03.951206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbbfe33bf4bd2830e07f5091dc2c22501819e932d338b990737c757238932a99

Aliases

arxiv: 1904.09540 · arxiv_version: 1904.09540v1 · doi: 10.48550/arxiv.1904.09540 · pith_short_12: 7O76GO7UXUUD · pith_short_16: 7O76GO7UXUUDBYD7 · pith_short_8: 7O76GO7U

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/7O76GO7UXUUDBYD7KCI5YLBCKA \
  | 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: fbbfe33bf4bd2830e07f5091dc2c22501819e932d338b990737c757238932a99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561c21d968f6af2f4f2ab67dc8d934d1b2b41c7e20d8e14b656c724e849fdabb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-21T04:13:55Z",
    "title_canon_sha256": "42458c2fef8f81bb9805e1e61cac8e150ebec02f0d22b964c58f8d0c44ba9dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09540",
    "kind": "arxiv",
    "version": 1
  }
}