Pith Number

pith:PL7LHXKR

pith:2011:PL7LHXKRQUTUZ7AIWG6JBLYVH2

not attested not anchored not stored refs pending

Integrated information increases with fitness in the evolution of animats

Arend Hintze, Christof Koch, Christoph Adami, Giulio Tononi, Jeffrey Edlund, Nicolas Chaumont

arxiv:1103.1791 v2 · 2011-03-09 · q-bio.PE · cs.AI · nlin.AO · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PL7LHXKRQUTUZ7AIWG6JBLYVH2}

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	2026-05-18T04:09:34.872980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7afeb3dd5185274cfc08b1bc90af153e8373098f2c8a3ca783f0632294d7126c

Aliases

arxiv: 1103.1791 · arxiv_version: 1103.1791v2 · doi: 10.48550/arxiv.1103.1791 · pith_short_12: PL7LHXKRQUTU · pith_short_16: PL7LHXKRQUTUZ7AI · pith_short_8: PL7LHXKR

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/PL7LHXKRQUTUZ7AIWG6JBLYVH2 \
  | 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: 7afeb3dd5185274cfc08b1bc90af153e8373098f2c8a3ca783f0632294d7126c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777cbc57a83079acf303406b44fdfb0c293896dcafd378053c0676baa2053e8c",
    "cross_cats_sorted": [
      "cs.AI",
      "nlin.AO",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-03-09T14:33:21Z",
    "title_canon_sha256": "c8b9f9b73fc49a17c32bcd884aba7f777d391207205fc0430a10d9d34b2ff65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1791",
    "kind": "arxiv",
    "version": 2
  }
}