Pith Number

pith:LRPBTKDA

pith:2023:LRPBTKDA6KSPXXNZRRFMKLENWX

not attested not anchored not stored refs pending

A seven-step guide to spatial, agent-based modelling of tumour evolution

Blair Colyer, David Basanta, Maciej Bak, Robert Noble

arxiv:2311.03569 v1 · 2023-11-06 · q-bio.QM · q-bio.PE · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRPBTKDA6KSPXXNZRRFMKLENWX}

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	2026-07-05T07:10:00.316809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5e19a860f2a4fbddb98c4ac52c8db5f2107d8c8ee7e99c8770feac408fb4be

Aliases

arxiv: 2311.03569 · arxiv_version: 2311.03569v1 · doi: 10.48550/arxiv.2311.03569 · pith_short_12: LRPBTKDA6KSP · pith_short_16: LRPBTKDA6KSPXXNZ · pith_short_8: LRPBTKDA

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/LRPBTKDA6KSPXXNZRRFMKLENWX \
  | 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: 5c5e19a860f2a4fbddb98c4ac52c8db5f2107d8c8ee7e99c8770feac408fb4be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbada57806e5f68080ae29f3ec4b7d821e0b4b879e937bd91eafd28e65a181bb",
    "cross_cats_sorted": [
      "q-bio.PE",
      "q-bio.TO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2023-11-06T22:12:54Z",
    "title_canon_sha256": "f0fb2f6b2297fcbd01141227fdf2d511d28528e22dca21fa0f9b53d1ecc54b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.03569",
    "kind": "arxiv",
    "version": 1
  }
}