Pith Number

pith:3IB3QLQO

pith:2025:3IB3QLQO2GZDO23UBUOGPYBYJM

not attested not anchored not stored refs pending

Friend or Foe

Eric Libby, Josephine Solowiej-Wedderburn, Laura M. Carroll, Oleksandr Cherednichenko

arxiv:2509.00123 v2 · 2025-08-29 · q-bio.QM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IB3QLQO2GZDO23UBUOGPYBYJM}

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	2026-06-30T00:15:07.693856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da03b82e0ed1b2376b740d1c67e0384b3882499cd96e130a2e160264477b66e2

Aliases

arxiv: 2509.00123 · arxiv_version: 2509.00123v2 · doi: 10.48550/arxiv.2509.00123 · pith_short_12: 3IB3QLQO2GZD · pith_short_16: 3IB3QLQO2GZDO23U · pith_short_8: 3IB3QLQO

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/3IB3QLQO2GZDO23UBUOGPYBYJM \
  | 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: da03b82e0ed1b2376b740d1c67e0384b3882499cd96e130a2e160264477b66e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad94dbb7ba9376fbbf322e83e8aff30951cf929bb8ca8d33a5a3931d889c9d72",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-08-29T06:37:55Z",
    "title_canon_sha256": "3783950c68c1739035b6e52505312926edb51aee2b428bc5afc1b455893c333b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00123",
    "kind": "arxiv",
    "version": 2
  }
}