Pith Number

pith:4EVR7PXX

pith:2012:4EVR7PXXBOUJ77VBD7EEJVDN4R

not attested not anchored not stored refs pending

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Mark Thamm, Peter Mutschke

arxiv:1205.2467 v1 · 2012-05-11 · cs.DL · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EVR7PXXBOUJ77VBD7EEJVDN4R}

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	2026-05-18T03:55:55.429392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12b1fbef70ba89ffea11fc844d46de46d1692e0ba1aaac4238c083edb2cc295

Aliases

arxiv: 1205.2467 · arxiv_version: 1205.2467v1 · doi: 10.48550/arxiv.1205.2467 · pith_short_12: 4EVR7PXXBOUJ · pith_short_16: 4EVR7PXXBOUJ77VB · pith_short_8: 4EVR7PXX

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/4EVR7PXXBOUJ77VBD7EEJVDN4R \
  | 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: e12b1fbef70ba89ffea11fc844d46de46d1692e0ba1aaac4238c083edb2cc295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e59582beb0dafa31df17f27a9efe6bd990a9de80be504eb732a19ea0b3a56487",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-05-11T09:41:32Z",
    "title_canon_sha256": "642f06651dafee894a5cf81423740267c6ec812bfab278ace364608cbb944d4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2467",
    "kind": "arxiv",
    "version": 1
  }
}