Pith Number

pith:3Y5MT7PB

pith:2018:3Y5MT7PB4ISHL75FFHELKZPAH3

not attested not anchored not stored refs pending

Optimized Bacteria are Environmental Prediction Engines

James P. Crutchfield, Sarah E. Marzen

arxiv:1802.03105 v1 · 2018-02-09 · q-bio.PE · cond-mat.stat-mech · cs.IT · math.IT · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Y5MT7PB4ISHL75FFHELKZPAH3}

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	2026-05-18T00:10:02.919330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de3ac9fde1e22475ffa529c8b565e03eda740be3d6ab6d8f6ad8256963673ad1

Aliases

arxiv: 1802.03105 · arxiv_version: 1802.03105v1 · doi: 10.48550/arxiv.1802.03105 · pith_short_12: 3Y5MT7PB4ISH · pith_short_16: 3Y5MT7PB4ISHL75F · pith_short_8: 3Y5MT7PB

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/3Y5MT7PB4ISHL75FFHELKZPAH3 \
  | 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: de3ac9fde1e22475ffa529c8b565e03eda740be3d6ab6d8f6ad8256963673ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb805c10d4494855a1792e89e2c125c71f6cf1444dc1332a929b7691be08dcc",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.IT",
      "math.IT",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-02-09T02:34:55Z",
    "title_canon_sha256": "1d0815da3305b127009937418ae480cf1183b8b89a89353c6844fe48663aef2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03105",
    "kind": "arxiv",
    "version": 1
  }
}