Pith Number

pith:ETTL5MNM

pith:2012:ETTL5MNMZX63QCATJWECZD6TW5

not attested not anchored not stored refs pending

Compression with Actions

Lei Zhao, Tsachy Weissman, Yeow-Khiang Chia

arxiv:1204.2331 v1 · 2012-04-11 · 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{ETTL5MNMZX63QCATJWECZD6TW5}

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	2026-05-18T03:58:12.119950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e6beb1accdfdb808134d882c8fd3b743de0b393c6d2978d3b9a9ca6d3bc095

Aliases

arxiv: 1204.2331 · arxiv_version: 1204.2331v1 · doi: 10.48550/arxiv.1204.2331 · pith_short_12: ETTL5MNMZX63 · pith_short_16: ETTL5MNMZX63QCAT · pith_short_8: ETTL5MNM

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/ETTL5MNMZX63QCATJWECZD6TW5 \
  | 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: 24e6beb1accdfdb808134d882c8fd3b743de0b393c6d2978d3b9a9ca6d3bc095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d566d9fc432f244eba8e1edecbe2a7a89dcb22c944a111ed27f22701bc07c241",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-11T03:53:42Z",
    "title_canon_sha256": "df15b96adc24cd9d438d57b55781cff35412421315023edb03ff560b97249ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2331",
    "kind": "arxiv",
    "version": 1
  }
}