Pith Number

pith:55APYYAF

pith:2019:55APYYAFEEA2T3QLJOE3PXATAC

not attested not anchored not stored refs pending

Cooperative metabolic resource allocation in spatially-structured systems

David S. Tourigny

arxiv:1908.05307 v3 · 2019-08-14 · q-bio.MN · math.DS · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55APYYAFEEA2T3QLJOE3PXATAC}

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	2026-07-05T02:10:16.205085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef40fc60052101a9ee0b4b89b7dc1300b089f3020048ae4514d779a583a7662d

Aliases

arxiv: 1908.05307 · arxiv_version: 1908.05307v3 · doi: 10.48550/arxiv.1908.05307 · pith_short_12: 55APYYAFEEA2 · pith_short_16: 55APYYAFEEA2T3QL · pith_short_8: 55APYYAF

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/55APYYAFEEA2T3QLJOE3PXATAC \
  | 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: ef40fc60052101a9ee0b4b89b7dc1300b089f3020048ae4514d779a583a7662d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e500289abbd917184836ed47c24fd70cccbb51be2174cfe97871f9c0809629ca",
    "cross_cats_sorted": [
      "math.DS",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2019-08-14T18:51:00Z",
    "title_canon_sha256": "dabd5f81ae8b755224175c0dd0ea71bdf92200a641370a763c2e113954f7827e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05307",
    "kind": "arxiv",
    "version": 3
  }
}