Pith Number

pith:WEDCWKZS

pith:2009:WEDCWKZSVM6KVSGSVM2IBSCOXW

not attested not anchored not stored refs pending

Steering plasmodium with light: Dynamical programming of Physarum machine

Andrew Adamatzky

arxiv:0908.0850 v1 · 2009-08-06 · nlin.PS · cs.ET · nlin.AO · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEDCWKZSVM6KVSGSVM2IBSCOXW}

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	2026-05-18T03:48:59.411518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1062b2b32ab3caac8d2ab3480c84ebdb858667b256f6e45b1b64859c0afc8fc

Aliases

arxiv: 0908.0850 · arxiv_version: 0908.0850v1 · doi: 10.48550/arxiv.0908.0850 · pith_short_12: WEDCWKZSVM6K · pith_short_16: WEDCWKZSVM6KVSGS · pith_short_8: WEDCWKZS

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/WEDCWKZSVM6KVSGSVM2IBSCOXW \
  | 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: b1062b2b32ab3caac8d2ab3480c84ebdb858667b256f6e45b1b64859c0afc8fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c3300d461e6a3630e45cba36cf5f54813cd5c5a5d2b50cc17d22ce96ac0d11",
    "cross_cats_sorted": [
      "cs.ET",
      "nlin.AO",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2009-08-06T12:23:34Z",
    "title_canon_sha256": "a2a460da74b1d2462773e3a6e4a69b5fb418f1a0b57e9dc6484fa54e935f7f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0850",
    "kind": "arxiv",
    "version": 1
  }
}