Pith Number

pith:HNEAPSV3

pith:2020:HNEAPSV32XFVJZEYDSO7RDCMVO

not attested not anchored not stored refs pending

Requirements of API Documentation: A Case Study into Computer Vision Services

Alex Cummaudo, John Grundy, Mohamed Abdelrazek, Rajesh Vasa

arxiv:2012.13728 v1 · 2020-12-26 · 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{HNEAPSV32XFVJZEYDSO7RDCMVO}

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	2026-07-05T02:02:12.442114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b4807cabbd5cb54e4981c9df88c4cabab8ed3545fbd89f38183b4d6fc7c622b

Aliases

arxiv: 2012.13728 · arxiv_version: 2012.13728v1 · doi: 10.48550/arxiv.2012.13728 · pith_short_12: HNEAPSV32XFV · pith_short_16: HNEAPSV32XFVJZEY · pith_short_8: HNEAPSV3

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/HNEAPSV32XFVJZEYDSO7RDCMVO \
  | 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: 3b4807cabbd5cb54e4981c9df88c4cabab8ed3545fbd89f38183b4d6fc7c622b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6e7152317ec50a5d64c50e57d6cc6bd19e8c7a28d8d784bd8325f49047ba71",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-12-26T12:55:58Z",
    "title_canon_sha256": "318a7298b8b0589d096f920198a50e9c095550dcd0dabdc2cba7f1f256b05c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.13728",
    "kind": "arxiv",
    "version": 1
  }
}