Pith Number

pith:US2R4VLT

pith:2015:US2R4VLTAHE5IJ3E2IXSMUJPTS

not attested not anchored not stored refs pending

Technical Report: Modelling Multiple Cell Types with Partial Differential Equations

Simon Tanaka

arxiv:1509.08322 v1 · 2015-09-28 · 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{US2R4VLTAHE5IJ3E2IXSMUJPTS}

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	2026-05-18T01:31:54.178183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b51e557301c9d42764d22f26512f9cb8dd291051ecbb6fc2fe804171d22873

Aliases

arxiv: 1509.08322 · arxiv_version: 1509.08322v1 · doi: 10.48550/arxiv.1509.08322 · pith_short_12: US2R4VLTAHE5 · pith_short_16: US2R4VLTAHE5IJ3E · pith_short_8: US2R4VLT

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/US2R4VLTAHE5IJ3E2IXSMUJPTS \
  | 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: a4b51e557301c9d42764d22f26512f9cb8dd291051ecbb6fc2fe804171d22873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842564ae91a015d4962a38a9d31b145aba5db8850d243906054be5dce306600e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2015-09-28T13:59:14Z",
    "title_canon_sha256": "f71a9e1c7aa0ae36bbfe6f7dcb2c35b014344a9ac3ebe1ab04937de3dba99396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08322",
    "kind": "arxiv",
    "version": 1
  }
}