Pith Number

pith:2QT5R4S6

pith:2020:2QT5R4S6DKK5FKHMJOVKOAT7KM

not attested not anchored not stored refs pending

Non-repudiable provenance for clinical decision support systems

Elliot Fairweather, Martin Chapman, Petr Holub, Rudolf Wittner, Vasa Curcin

arxiv:2006.11233 v1 · 2020-06-19 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QT5R4S6DKK5FKHMJOVKOAT7KM}

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	2026-07-05T01:11:36.732732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d427d8f25e1a95d2a8ec4baaa7027f53378dc58c1112e50ee7df825d105264ea

Aliases

arxiv: 2006.11233 · arxiv_version: 2006.11233v1 · doi: 10.48550/arxiv.2006.11233 · pith_short_12: 2QT5R4S6DKK5 · pith_short_16: 2QT5R4S6DKK5FKHM · pith_short_8: 2QT5R4S6

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/2QT5R4S6DKK5FKHMJOVKOAT7KM \
  | 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: d427d8f25e1a95d2a8ec4baaa7027f53378dc58c1112e50ee7df825d105264ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1200904fafbf115baa4d446e5a816346034ec20f595b95ddf30555513e9b5e9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-06-19T17:13:08Z",
    "title_canon_sha256": "cfd0e152d2df011487030a11abf3597497cdb8470e95045bb4b9e3e813e1e5bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.11233",
    "kind": "arxiv",
    "version": 1
  }
}