Pith Number

pith:4NGKL7W3

pith:2025:4NGKL7W3UIXSBOD2ISVELNLRUX

not attested not anchored not stored refs pending

Computational modelling of biological systems now and then: revisiting tools and visions from the beginning of the century

Axel Loewe, Peter J. Hunter, Peter Kohl

arxiv:2501.13142 v1 · 2025-01-22 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NGKL7W3UIXSBOD2ISVELNLRUX}

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	2026-07-05T11:47:18.102524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e34ca5fedba22f20b87a44aa45b571a5e9078618288ee892eaf7337017935e0d

Aliases

arxiv: 2501.13142 · arxiv_version: 2501.13142v1 · doi: 10.48550/arxiv.2501.13142 · pith_short_12: 4NGKL7W3UIXS · pith_short_16: 4NGKL7W3UIXSBOD2 · pith_short_8: 4NGKL7W3

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/4NGKL7W3UIXSBOD2ISVELNLRUX \
  | 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: e34ca5fedba22f20b87a44aa45b571a5e9078618288ee892eaf7337017935e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "887f27f94687b2e5488e80fe44aad18686f1ac0d9edbc2b9316434f3f266ab09",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-01-22T14:42:17Z",
    "title_canon_sha256": "c1b7c8d6600457c4317ae7580c7a930cf73e3629d77a95bf79a045e0921878be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13142",
    "kind": "arxiv",
    "version": 1
  }
}