Pith Number

pith:XXRD7SUI

pith:2011:XXRD7SUIPH2UZLWJRVG2GRSENJ

not attested not anchored not stored refs pending

Applying Science Models for Search

Peter Mutschke, Philipp Mayr, Philipp Schaer, Vivien Petras, York Sure

arxiv:1101.1639 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{XXRD7SUIPH2UZLWJRVG2GRSENJ}

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	2026-05-18T04:31:51.938320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bde23fca8879f54caec98d4da346446a48d8166f7c2f28f89e9645085bd82ce5

Aliases

arxiv: 1101.1639 · arxiv_version: 1101.1639v1 · doi: 10.48550/arxiv.1101.1639 · pith_short_12: XXRD7SUIPH2U · pith_short_16: XXRD7SUIPH2UZLWJ · pith_short_8: XXRD7SUI

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/XXRD7SUIPH2UZLWJRVG2GRSENJ \
  | 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: bde23fca8879f54caec98d4da346446a48d8166f7c2f28f89e9645085bd82ce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4bfea1260cf078891a5e9386034f338d410de1bbca45b214909455be7860c03",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-01-09T14:42:04Z",
    "title_canon_sha256": "fb0db498f22d3c4b0d68ba2fee45e701ca448d00e270078e1f490c0aca50abb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1639",
    "kind": "arxiv",
    "version": 1
  }
}