Pith Number

pith:RTZIDCGU

pith:2013:RTZIDCGUDFEECZXJLOSC2H4YNG

not attested not anchored not stored refs pending

Towards slime mould colour sensor: Recognition of colours by Physarum polycephalum

Andrew Adamatzky

arxiv:1312.4139 v1 · 2013-12-15 · cs.ET · physics.bio-ph · q-bio.CB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RTZIDCGUDFEECZXJLOSC2H4YNG}

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	2026-05-18T03:04:35.509810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cf28188d419484166e95ba42d1f98699b5256b2c592bdd5aa59ce6938b69623

Aliases

arxiv: 1312.4139 · arxiv_version: 1312.4139v1 · doi: 10.48550/arxiv.1312.4139 · pith_short_12: RTZIDCGUDFEE · pith_short_16: RTZIDCGUDFEECZXJ · pith_short_8: RTZIDCGU

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/RTZIDCGUDFEECZXJLOSC2H4YNG \
  | 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: 8cf28188d419484166e95ba42d1f98699b5256b2c592bdd5aa59ce6938b69623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96052fa76a11e2ede8c32943d9f2cbc16ff870c8c609aa8cd29475232349b9df",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.CB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2013-12-15T12:02:44Z",
    "title_canon_sha256": "fadf6e934ef42a92181b167a36730694ee796ea6264601831d14a3353d15f6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4139",
    "kind": "arxiv",
    "version": 1
  }
}