Pith Number

pith:7FG6NLR4

pith:2014:7FG6NLR4V6I4MJ6WDQIBPE3LU6

not attested not anchored not stored refs pending

The Information Theory of Individuality

David Krakauer, Eckehard Olbrich, Jessica C. Flack, Nihat Ay, Nils Bertschinger

arxiv:1412.2447 v1 · 2014-12-08 · 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{7FG6NLR4V6I4MJ6WDQIBPE3LU6}

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	2026-05-18T02:31:57.989075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f94de6ae3caf91c627d61c1017936ba7906ac0442d768f5e09906fc840441c3b

Aliases

arxiv: 1412.2447 · arxiv_version: 1412.2447v1 · doi: 10.48550/arxiv.1412.2447 · pith_short_12: 7FG6NLR4V6I4 · pith_short_16: 7FG6NLR4V6I4MJ6W · pith_short_8: 7FG6NLR4

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/7FG6NLR4V6I4MJ6WDQIBPE3LU6 \
  | 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: f94de6ae3caf91c627d61c1017936ba7906ac0442d768f5e09906fc840441c3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ff1233ce4051a90dc5f656dbcd9f8d919aa4115e1a816129f89f1eeb2d09f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-12-08T04:53:00Z",
    "title_canon_sha256": "bc0afe688189c03582df0b59f1ad12edca92620613731d2763924e0ed4198f6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2447",
    "kind": "arxiv",
    "version": 1
  }
}