Pith Number

pith:PLDKSOUM

pith:2012:PLDKSOUMTFBQ5XK7V35C46MJIE

not attested not anchored not stored refs pending

Route 20, autobahn 7 and Physarum polycephalum: Approximating longest roads in USA and Germany with slime mould on 3D terrains

Andrew Adamatzky

arxiv:1211.0519 v1 · 2012-11-02 · nlin.PS · cs.ET · 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{PLDKSOUMTFBQ5XK7V35C46MJIE}

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	2026-05-18T03:25:34.880998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ac6a93a8c99430edd5faefa2e79894101cca45cefe865aeb7aa8d3842e76bc6

Aliases

arxiv: 1211.0519 · arxiv_version: 1211.0519v1 · doi: 10.48550/arxiv.1211.0519 · pith_short_12: PLDKSOUMTFBQ · pith_short_16: PLDKSOUMTFBQ5XK7 · pith_short_8: PLDKSOUM

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/PLDKSOUMTFBQ5XK7V35C46MJIE \
  | 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: 7ac6a93a8c99430edd5faefa2e79894101cca45cefe865aeb7aa8d3842e76bc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b3d9314ddd8ded47a1b1552c1dc895ad4688c591ab129bb65e7bd1c06bd3764",
    "cross_cats_sorted": [
      "cs.ET",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2012-11-02T18:44:37Z",
    "title_canon_sha256": "4837b38dd24ee3d57fd08f09fe52ee0b738c151680364cde8a8598847130c516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0519",
    "kind": "arxiv",
    "version": 1
  }
}