Pith Number

pith:HQ4W5FU2

pith:2018:HQ4W5FU2FYEOTIIJ7SEDBK5S3C

not attested not anchored not stored refs pending

Poster: Communication in Open-Source Projects--End of the E-mail Era?

Daniel Graziotin, Ivan Bogicevic, Jasmin Ramadani, Stefan Wagner, Verena K\"afer

arxiv:1803.09529 v1 · 2018-03-26 · 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{HQ4W5FU2FYEOTIIJ7SEDBK5S3C}

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	2026-05-18T00:20:11.243197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c396e969a2e08e9a109fc8830abb2d8b9e0526d08c41cfb6e29732dc46c0d05

Aliases

arxiv: 1803.09529 · arxiv_version: 1803.09529v1 · doi: 10.48550/arxiv.1803.09529 · pith_short_12: HQ4W5FU2FYEO · pith_short_16: HQ4W5FU2FYEOTIIJ · pith_short_8: HQ4W5FU2

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/HQ4W5FU2FYEOTIIJ7SEDBK5S3C \
  | 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: 3c396e969a2e08e9a109fc8830abb2d8b9e0526d08c41cfb6e29732dc46c0d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "981df4f1713e54b8e86ea5c1f3a64e6dd4be5893a03e3ad13c178ef6a4a6b70b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-03-26T11:55:42Z",
    "title_canon_sha256": "80be7acdf8ba0410cb2bbeb4289d697803c3555c13059079baf4eb492fc71091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09529",
    "kind": "arxiv",
    "version": 1
  }
}