Pith Number

pith:4A4LSTH6

pith:2024:4A4LSTH6UMQ2NNDQAQOPX3232Y

not attested not anchored not stored refs pending

Knowledge-based model validation using a custom metric

Johannes von Keler, Nicola Henkelmann, Stephan Rhode

arxiv:2412.07521 v1 · 2024-12-10 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4A4LSTH6UMQ2NNDQAQOPX3232Y}

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	2026-07-05T09:47:10.982944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e038b94cfea321a6b470041cfbef5bd6276472ec7ad046c64e218c98a0d6573c

Aliases

arxiv: 2412.07521 · arxiv_version: 2412.07521v1 · doi: 10.48550/arxiv.2412.07521 · pith_short_12: 4A4LSTH6UMQ2 · pith_short_16: 4A4LSTH6UMQ2NNDQ · pith_short_8: 4A4LSTH6

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/4A4LSTH6UMQ2NNDQAQOPX3232Y \
  | 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: e038b94cfea321a6b470041cfbef5bd6276472ec7ad046c64e218c98a0d6573c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf77d62d5b2184ece111469c181bcc146c2b1d4fc43a8295db05114e893c015a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2024-12-10T13:59:05Z",
    "title_canon_sha256": "0d169d19fcd5540087911f463d184db932b045472a060b653fe5e3abbcd65302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.07521",
    "kind": "arxiv",
    "version": 1
  }
}