Pith Number

pith:2TL52ZF3

pith:2011:2TL52ZF3F5ZR45MXH4ICJAVOSV

not attested not anchored not stored refs pending

Science Models as Value-Added Services for Scholarly Information Systems

Peter Mutschke, Philipp Mayr, Philipp Schaer, York Sure

arxiv:1105.2441 v1 · 2011-05-12 · cs.DL · 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{2TL52ZF3F5ZR45MXH4ICJAVOSV}

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	2026-05-18T00:45:16.748201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d7dd64bb2f731e75973f102482ae956128e15af3c99c7cfb51a70e9684b57c

Aliases

arxiv: 1105.2441 · arxiv_version: 1105.2441v1 · doi: 10.48550/arxiv.1105.2441 · pith_short_12: 2TL52ZF3F5ZR · pith_short_16: 2TL52ZF3F5ZR45MX · pith_short_8: 2TL52ZF3

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/2TL52ZF3F5ZR45MXH4ICJAVOSV \
  | 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: d4d7dd64bb2f731e75973f102482ae956128e15af3c99c7cfb51a70e9684b57c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8f15b3571fdf4e2a26cdca696940632932512d8a244fc9ab79756b9d991cbee",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-05-12T12:07:42Z",
    "title_canon_sha256": "4e5fb163ec78bf78d9723591f6564012a33622208f77c42a5cda32ae19907b21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2441",
    "kind": "arxiv",
    "version": 1
  }
}