Pith Number

pith:PU3Q6BTO

pith:1997:PU3Q6BTOTPBBTJCCGLLNMWXFED

not attested not anchored not stored refs pending

Adaptation and Optimal Chemotactic Strategy for E. Coli

B. Freedman, R. Koberle, S. P. Strong, William Bialek

arxiv:adap-org/9706001 v2 · 1997-06-03 · adap-org · cond-mat.soft · nlin.AO · q-bio.CB · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PU3Q6BTOTPBBTJCCGLLNMWXFED}

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	2026-07-04T16:02:17.915422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d370f066e9bc219a44232d6d65ae520f122adcd5d9419598ca577829d4ca761

Aliases

arxiv: adap-org/9706001 · arxiv_version: adap-org/9706001v2 · doi: 10.48550/arxiv.adap-org/9706001 · pith_short_12: PU3Q6BTOTPBB · pith_short_16: PU3Q6BTOTPBBTJCC · pith_short_8: PU3Q6BTO

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/PU3Q6BTOTPBBTJCCGLLNMWXFED \
  | 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: 7d370f066e9bc219a44232d6d65ae520f122adcd5d9419598ca577829d4ca761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "379da6f1de80bb586e6b94899f90cea361a94a95c90e6496c6717ab65d5c3b5a",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "nlin.AO",
      "q-bio.CB",
      "q-bio.MN"
    ],
    "license": "",
    "primary_cat": "adap-org",
    "submitted_at": "1997-06-03T21:42:31Z",
    "title_canon_sha256": "74a4967dad5b7c41c9a64a305fe588e604f95cfb52d1e53ed3148807b3492b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "adap-org/9706001",
    "kind": "arxiv",
    "version": 2
  }
}