Pith Number

pith:IZK5B2AG

pith:2017:IZK5B2AGINMTJKB6EZ2MYY5QBS

not attested not anchored not stored refs pending

The right tool for the right question --- beyond the encoding versus decoding dichotomy

Moritz Grosse-Wentrup, Sebastian Weichwald

arxiv:1704.08851 v1 · 2017-04-28 · q-bio.NC · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZK5B2AGINMTJKB6EZ2MYY5QBS}

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	2026-05-18T00:45:25.140755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4655d0e806435934a83e2674cc63b00c892a3197e4a21f6e6aa57c9b7572903c

Aliases

arxiv: 1704.08851 · arxiv_version: 1704.08851v1 · doi: 10.48550/arxiv.1704.08851 · pith_short_12: IZK5B2AGINMT · pith_short_16: IZK5B2AGINMTJKB6 · pith_short_8: IZK5B2AG

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/IZK5B2AGINMTJKB6EZ2MYY5QBS \
  | 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: 4655d0e806435934a83e2674cc63b00c892a3197e4a21f6e6aa57c9b7572903c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e64f8c7cbba06f3a2d78aa351908b78d2bdb0a49980281d596f6311e00e5fbba",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2017-04-28T08:56:47Z",
    "title_canon_sha256": "80324de5f1236c99e594f39f7f08a807f84d7d7272c91e7a05be3b915f09253c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08851",
    "kind": "arxiv",
    "version": 1
  }
}