Pith Number

pith:CL52UIFZ

pith:2012:CL52UIFZITSDRE4GGHTMPZYSA6

not attested not anchored not stored refs pending

A Theory of Information Matching

Jagadeesh Gorla, Jun Wang, Stephen Robertson, Tamas Jambor

arxiv:1205.5569 v3 · 2012-05-24 · 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{CL52UIFZITSDRE4GGHTMPZYSA6}

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	2026-05-18T03:54:27.293387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12fbaa20b944e438938631e6c7e7120781d70e72102912f8d4cda3c58ff9f692

Aliases

arxiv: 1205.5569 · arxiv_version: 1205.5569v3 · doi: 10.48550/arxiv.1205.5569 · pith_short_12: CL52UIFZITSD · pith_short_16: CL52UIFZITSDRE4G · pith_short_8: CL52UIFZ

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/CL52UIFZITSDRE4GGHTMPZYSA6 \
  | 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: 12fbaa20b944e438938631e6c7e7120781d70e72102912f8d4cda3c58ff9f692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b877000c9afc04e031fc2bfc594bdc495bb953d2906beb1d6608b3de61bbb79b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-05-24T20:56:16Z",
    "title_canon_sha256": "4f928e443a29a041de10e74d53ce1a814b7cdefb268c0d7ec45981d9364289ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5569",
    "kind": "arxiv",
    "version": 3
  }
}