Pith Number

pith:KIBP4RV4

pith:2005:KIBP4RV4SBYQJRBKCDPBMQLXAA

not attested not anchored not stored refs pending

Information based clustering

Gasper Tkacik, Gurinder Singh Atwal, Noam Slonim, William Bialek

arxiv:q-bio/0511043 v1 · 2005-11-26 · 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{KIBP4RV4SBYQJRBKCDPBMQLXAA}

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	2026-07-04T16:57:27.423039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5202fe46bc907104c42a10de16417700161412385f6442e98fd7d571a0b1d670

Aliases

arxiv: q-bio/0511043 · arxiv_version: q-bio/0511043v1 · doi: 10.48550/arxiv.q-bio/0511043 · pith_short_12: KIBP4RV4SBYQ · pith_short_16: KIBP4RV4SBYQJRBK · pith_short_8: KIBP4RV4

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/KIBP4RV4SBYQJRBKCDPBMQLXAA \
  | 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: 5202fe46bc907104c42a10de16417700161412385f6442e98fd7d571a0b1d670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11d0f277304a670da79a1b4d1393c25484f51bda918a9814894d777859e207b9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2005-11-26T04:53:47Z",
    "title_canon_sha256": "613e1716e713df11a751181a7f4ad75bb98afb041de0b51f0e62d055a7760445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0511043",
    "kind": "arxiv",
    "version": 1
  }
}