Pith Number

pith:HQF42WYA

pith:2014:HQF42WYAABC4WTTDFSQTFE4ANX

not attested not anchored not stored refs pending

A Description Driven Approach for Flexible Metadata Tracking

Andrew Branson, Jetendr Shamdasani, Richard McClatchey

arxiv:1402.5953 v1 · 2014-02-24 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQF42WYAABC4WTTDFSQTFE4ANX}

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	2026-05-18T02:57:51.949810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0bcd5b000045cb4e632ca13293806ddb9b4d5a9ed6abd47ed608a39eb0f1ac

Aliases

arxiv: 1402.5953 · arxiv_version: 1402.5953v1 · doi: 10.48550/arxiv.1402.5953 · pith_short_12: HQF42WYAABC4 · pith_short_16: HQF42WYAABC4WTTD · pith_short_8: HQF42WYA

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/HQF42WYAABC4WTTDFSQTFE4ANX \
  | 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: 3c0bcd5b000045cb4e632ca13293806ddb9b4d5a9ed6abd47ed608a39eb0f1ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0de9985ad397899f77835ff6b3611cbcc2a0c993a186931b9030ef5ed4e0a0bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-02-24T10:09:30Z",
    "title_canon_sha256": "43bec5c4b10b498111da8df7fabcc5c8799842323ff3256d499fdb2e61558932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5953",
    "kind": "arxiv",
    "version": 1
  }
}