Pith Number

pith:P5UMBHC2

pith:2011:P5UMBHC2IZKRYV573PLBQ6X6VU

not attested not anchored not stored refs pending

A Science Model Driven Retrieval Prototype

Peter Mutschke, Philipp Mayr, Philipp Schaer

arxiv:1101.1637 v1 · 2011-01-09 · cs.IR · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5UMBHC2IZKRYV573PLBQ6X6VU}

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	2026-05-18T04:31:51.945287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f68c09c5a46551c57bfdbd6187afead1be6284544d37138e5b5d2ce03dd3e69

Aliases

arxiv: 1101.1637 · arxiv_version: 1101.1637v1 · doi: 10.48550/arxiv.1101.1637 · pith_short_12: P5UMBHC2IZKR · pith_short_16: P5UMBHC2IZKRYV57 · pith_short_8: P5UMBHC2

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/P5UMBHC2IZKRYV573PLBQ6X6VU \
  | 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: 7f68c09c5a46551c57bfdbd6187afead1be6284544d37138e5b5d2ce03dd3e69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e486b06c8ed2962d42f9ad90f29e15bca18eb93807b2da5a7f9e6b9900ee9bfe",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-01-09T14:32:41Z",
    "title_canon_sha256": "e3dc57aea708e307a41f0df25f8f886138b9f828d64e363906e0755a0e3dc9b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1637",
    "kind": "arxiv",
    "version": 1
  }
}