Pith Number

pith:32VGBZAE

pith:2002:32VGBZAEQBADEZGV3CZKS3LGVV

not attested not anchored not stored refs pending

Thinking about the brain

William Bialek

arxiv:physics/0205030 v2 · 2002-05-10 · physics.bio-ph · cond-mat.dis-nn · 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{32VGBZAEQBADEZGV3CZKS3LGVV}

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	2026-07-04T14:43:44.605501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deaa60e40480403264d5d8b2a96d66ad4eb74b241f9e342c74ebd403984a7219

Aliases

arxiv: physics/0205030 · arxiv_version: physics/0205030v2 · doi: 10.48550/arxiv.physics/0205030 · pith_short_12: 32VGBZAEQBAD · pith_short_16: 32VGBZAEQBADEZGV · pith_short_8: 32VGBZAE

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/32VGBZAEQBADEZGV3CZKS3LGVV \
  | 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: deaa60e40480403264d5d8b2a96d66ad4eb74b241f9e342c74ebd403984a7219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06aba47c9a354babd377f7751a449ac82ab59b0664ad9325057de32f90bfb05b",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "nlin.AO",
      "q-bio.NC"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2002-05-10T14:21:44Z",
    "title_canon_sha256": "6c9c45f35087a8de552a4d574c1c2120fb2b9aaec9ba895ae6b9131c671eb7d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0205030",
    "kind": "arxiv",
    "version": 2
  }
}