Pith Number

pith:3B22XY4Y

pith:2018:3B22XY4YQQLUSNNJV2QQY2YLK7

not attested not anchored not stored refs pending

Evolution of cooperation on an epithelium

Jessie Renton, Karen M. Page

arxiv:1812.02467 v1 · 2018-12-06 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3B22XY4YQQLUSNNJV2QQY2YLK7}

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	2026-05-17T23:58:55.625623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d875abe39884174935a9aea10c6b0b57e42ed05636faddc5c74ca6efa897ef4f

Aliases

arxiv: 1812.02467 · arxiv_version: 1812.02467v1 · doi: 10.48550/arxiv.1812.02467 · pith_short_12: 3B22XY4YQQLU · pith_short_16: 3B22XY4YQQLUSNNJ · pith_short_8: 3B22XY4Y

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/3B22XY4YQQLUSNNJV2QQY2YLK7 \
  | 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: d875abe39884174935a9aea10c6b0b57e42ed05636faddc5c74ca6efa897ef4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7f0d1c3aa6a497b9224e877785d072cbafc641972804db7d690103afaea95ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-12-06T11:22:28Z",
    "title_canon_sha256": "4687963b61bd85af3ca1809338d5bc2a4fb62315a6f16690137d940869f38b33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02467",
    "kind": "arxiv",
    "version": 1
  }
}