Pith Number

pith:P277OVQ2

pith:2022:P277OVQ2EN4MK2F66WTFYBRSNL

not attested not anchored not stored refs pending

Understanding Digits in Identifier Names: An Exploratory Study

Anthony Peruma, Christian D. Newman

arxiv:2203.00113 v4 · 2022-02-28 · 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{P277OVQ2EN4MK2F66WTFYBRSNL}

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	2026-07-05T04:05:17.084222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ebff7561a2378c568bef5a65c06326af90a0a7a87118700e1fcab77df7f7c22

Aliases

arxiv: 2203.00113 · arxiv_version: 2203.00113v4 · doi: 10.48550/arxiv.2203.00113 · pith_short_12: P277OVQ2EN4M · pith_short_16: P277OVQ2EN4MK2F6 · pith_short_8: P277OVQ2

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/P277OVQ2EN4MK2F66WTFYBRSNL \
  | 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: 7ebff7561a2378c568bef5a65c06326af90a0a7a87118700e1fcab77df7f7c22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "531f1e51d5405fa47d74daad62758d849dcd3531a3e83be90b9c48b141f7c9b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-02-28T22:01:06Z",
    "title_canon_sha256": "5a9c52b09d17f786ab43e885db6d20757c1469dcc6b4b6512251516c63bdeaff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.00113",
    "kind": "arxiv",
    "version": 4
  }
}