Pith Number

pith:ABGJM2AE

pith:2015:ABGJM2AEHZT5NT3IZWM2C2DZIA

not attested not anchored not stored refs pending

Expectation-Maximization Binary Clustering for Behavioural Annotation

Aitana Oltra, Frederic Bartumeus, Joan Garriga, John R. Palmer

arxiv:1503.04059 v2 · 2015-03-13 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ABGJM2AEHZT5NT3IZWM2C2DZIA}

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	2026-05-18T01:16:18.852715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

004c9668043e67d6cf68cd99a16879401265a2e61088c94b8659c4178189b144

Aliases

arxiv: 1503.04059 · arxiv_version: 1503.04059v2 · doi: 10.48550/arxiv.1503.04059 · pith_short_12: ABGJM2AEHZT5 · pith_short_16: ABGJM2AEHZT5NT3I · pith_short_8: ABGJM2AE

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/ABGJM2AEHZT5NT3IZWM2C2DZIA \
  | 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: 004c9668043e67d6cf68cd99a16879401265a2e61088c94b8659c4178189b144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d97844d1b172a06346e8372e1abc2d67ef2a45f4a8429beeec55471d7d8245a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2015-03-13T13:30:36Z",
    "title_canon_sha256": "83cdb6cdaac71afdcd6bed520f77340f0a85a56b764e43ab8437b51237ded0c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04059",
    "kind": "arxiv",
    "version": 2
  }
}