Pith Number

pith:7IF7GULM

pith:2010:7IF7GULMJPU3WYVSN7KIM3APSP

not attested not anchored not stored refs pending

Overcoming Problems in the Measurement of Biological Complexity

Alfonso Ortega, Manuel Alfonseca, Manuel Cebrian

arxiv:1011.0953 v1 · 2010-11-03 · cs.CE · cs.NE · nlin.AO · 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{7IF7GULMJPU3WYVSN7KIM3APSP}

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	2026-05-18T04:37:12.062079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0bf3516c4be9bb62b26fd4866c0f93ee4f5aa8006faf690e31036e3c9cdeb9

Aliases

arxiv: 1011.0953 · arxiv_version: 1011.0953v1 · doi: 10.48550/arxiv.1011.0953 · pith_short_12: 7IF7GULMJPU3 · pith_short_16: 7IF7GULMJPU3WYVS · pith_short_8: 7IF7GULM

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/7IF7GULMJPU3WYVSN7KIM3APSP \
  | 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: fa0bf3516c4be9bb62b26fd4866c0f93ee4f5aa8006faf690e31036e3c9cdeb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20102da6881bb3fc2f81e90f066ae8bfd63c6d301381c350477df08f4ecf1d59",
    "cross_cats_sorted": [
      "cs.NE",
      "nlin.AO",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2010-11-03T17:38:23Z",
    "title_canon_sha256": "2e6c8c1df07495078fb6829cf1be3bd27447f77d5b7ed8a79eb9e82496fe2a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0953",
    "kind": "arxiv",
    "version": 1
  }
}