Pith Number

pith:R77UEDM7

pith:2018:R77UEDM735MWZW2MK5R44ZCIHV

not attested not anchored not stored refs pending

Chemotaxis emerges as the optimal solution to cooperative search games

Alberto Pezzotta, Antonio Celani, Matteo Adorisio

arxiv:1801.02965 v2 · 2018-01-09 · 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{R77UEDM735MWZW2MK5R44ZCIHV}

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	2026-05-18T00:03:49.687989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fff420d9fdf596cdb4c5763ce64483d53230e6f7bd50c0f82ca4e655f980bfb

Aliases

arxiv: 1801.02965 · arxiv_version: 1801.02965v2 · doi: 10.48550/arxiv.1801.02965 · pith_short_12: R77UEDM735MW · pith_short_16: R77UEDM735MWZW2M · pith_short_8: R77UEDM7

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/R77UEDM735MWZW2MK5R44ZCIHV \
  | 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: 8fff420d9fdf596cdb4c5763ce64483d53230e6f7bd50c0f82ca4e655f980bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d521048105e7c72a81fc9089d552bb88ae725e57931cf5e77c3802f3932fe88b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-01-09T14:52:25Z",
    "title_canon_sha256": "3f6109f7a638739b6f335d35559329867e3222c8110e53b2cc2e35d0e307ad0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02965",
    "kind": "arxiv",
    "version": 2
  }
}