Pith Number

pith:V7U3OFZ2

pith:2018:V7U3OFZ2PS5P3WWIBZDZSN7MBE

not attested not anchored not stored refs pending

A promise checked is a promise kept: Inspection Testing

Joachim Breitner

arxiv:1803.07130 v2 · 2018-03-19 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7U3OFZ2PS5P3WWIBZDZSN7MBE}

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	2026-05-18T00:14:21.571175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe9b7173a7cbafddac80e479937ec0922ecb86dd85baad66799f12395560fe9

Aliases

arxiv: 1803.07130 · arxiv_version: 1803.07130v2 · doi: 10.48550/arxiv.1803.07130 · pith_short_12: V7U3OFZ2PS5P · pith_short_16: V7U3OFZ2PS5P3WWI · pith_short_8: V7U3OFZ2

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/V7U3OFZ2PS5P3WWIBZDZSN7MBE \
  | 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: afe9b7173a7cbafddac80e479937ec0922ecb86dd85baad66799f12395560fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ccc34ba6c5b7daf922467180ba136a00eb2b179f990aeee197577ea4b65355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-03-19T19:29:47Z",
    "title_canon_sha256": "0d5e3f129d4c0b15ab6aae10743ef34bbe3b9f3fbf1d62520d7ce415cdee2074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07130",
    "kind": "arxiv",
    "version": 2
  }
}