Pith Number

pith:55L4GUZZ

pith:2021:55L4GUZZFNR4KCXKSEGQH7E2HE

not attested not anchored not stored refs pending

Automatic API Usage Scenario Documentation from Technical Q&A Sites

Chanchal K Roy, Foutse Khomh, Gias Uddin

arxiv:2102.08502 v1 · 2021-02-16 · 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{55L4GUZZFNR4KCXKSEGQH7E2HE}

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	2026-07-05T02:16:03.666671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef57c353392b63c50aea910d03fc9a3933a69b79eba2edbdb9aae36c33809b2e

Aliases

arxiv: 2102.08502 · arxiv_version: 2102.08502v1 · doi: 10.48550/arxiv.2102.08502 · pith_short_12: 55L4GUZZFNR4 · pith_short_16: 55L4GUZZFNR4KCXK · pith_short_8: 55L4GUZZ

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/55L4GUZZFNR4KCXKSEGQH7E2HE \
  | 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: ef57c353392b63c50aea910d03fc9a3933a69b79eba2edbdb9aae36c33809b2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec634fa8faed2f1172bf333b4a21af82a06ef8c131a672efcd90be0e7e825f1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-02-16T23:56:53Z",
    "title_canon_sha256": "5209a0bc7db121ebd3ace9c9a788c42e35376f0aaca2ba35e999383f96b8047e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08502",
    "kind": "arxiv",
    "version": 1
  }
}