Pith Number

pith:UYWP5G2E

pith:2018:UYWP5G2EWWJJAFH26XBG7WGIRJ

not attested not anchored not stored refs pending

Software Citation in Theory and Practice

Daniel S. Katz, Neil P. Chue Hong

arxiv:1807.08149 v1 · 2018-07-21 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYWP5G2EWWJJAFH26XBG7WGIRJ}

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	2026-05-18T00:10:09.101072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a62cfe9b44b5929014faf5c26fd8c88a5a879433418a7a258d778c1d45ffe2ed

Aliases

arxiv: 1807.08149 · arxiv_version: 1807.08149v1 · doi: 10.48550/arxiv.1807.08149 · pith_short_12: UYWP5G2EWWJJ · pith_short_16: UYWP5G2EWWJJAFH2 · pith_short_8: UYWP5G2E

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/UYWP5G2EWWJJAFH26XBG7WGIRJ \
  | 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: a62cfe9b44b5929014faf5c26fd8c88a5a879433418a7a258d778c1d45ffe2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f4478ac24839d9b7475500e2e7959314a51f52836a4eb755a08fc3e03a6c6e1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-07-21T13:13:30Z",
    "title_canon_sha256": "41d9854ae27af45926aec30b8a53398c0b69407cda488633b7923661918228e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08149",
    "kind": "arxiv",
    "version": 1
  }
}