Pith Number

pith:AY7PUWDG

pith:2018:AY7PUWDG5OBZ2G4K3FO6Z2BZUS

not attested not anchored not stored refs pending

Reconciling Similar Sets of Data

Farzad Farnoud (Hassanzadeh), Ryan Gabrys

arxiv:1809.04702 v1 · 2018-09-12 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AY7PUWDG5OBZ2G4K3FO6Z2BZUS}

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	2026-05-18T00:05:49.895635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

063efa5866eb839d1b8ad95dece839a4a89d8d653386cb693b5bb48830156561

Aliases

arxiv: 1809.04702 · arxiv_version: 1809.04702v1 · doi: 10.48550/arxiv.1809.04702 · pith_short_12: AY7PUWDG5OBZ · pith_short_16: AY7PUWDG5OBZ2G4K · pith_short_8: AY7PUWDG

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/AY7PUWDG5OBZ2G4K3FO6Z2BZUS \
  | 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: 063efa5866eb839d1b8ad95dece839a4a89d8d653386cb693b5bb48830156561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7bb2b98a3f59bbbd6905bac005684348b171207b6f49af06c09a102b680f716",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-12T23:07:00Z",
    "title_canon_sha256": "d7b5cd8dd50bed10950d5229fb09da8edd73af907590128fa02e3e8914e1012a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04702",
    "kind": "arxiv",
    "version": 1
  }
}