Pith Number

pith:FPEYLPVB

pith:2011:FPEYLPVBNAW4VF4XYKNI3ODKTI

not attested not anchored not stored refs pending

Digital Libraries, Conceptual Knowledge Systems, and the Nebula Interface

C. Mic Bowman, Robert E. Kent

arxiv:1109.1841 v1 · 2011-09-08 · cs.DL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPEYLPVBNAW4VF4XYKNI3ODKTI}

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	2026-05-18T04:13:46.669571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc985bea1682dca9797c29a8db86a9a1b43e7b31d11b2d64c06959b198b917c

Aliases

arxiv: 1109.1841 · arxiv_version: 1109.1841v1 · doi: 10.48550/arxiv.1109.1841 · pith_short_12: FPEYLPVBNAW4 · pith_short_16: FPEYLPVBNAW4VF4X · pith_short_8: FPEYLPVB

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/FPEYLPVBNAW4VF4XYKNI3ODKTI \
  | 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: 2bc985bea1682dca9797c29a8db86a9a1b43e7b31d11b2d64c06959b198b917c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7876071f2c6012236382079f883e03891ac654f92677efaa39d13bd486f0a3d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-09-08T20:35:02Z",
    "title_canon_sha256": "7110ad2c2e0ce5303faa6838975412d038edf314b15f93bfa19a6f36e6ef164a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1841",
    "kind": "arxiv",
    "version": 1
  }
}