Pith Number

pith:673HZOWH

pith:2010:673HZOWHB5SMFGCICOTOECPUC7

not attested not anchored not stored refs pending

Image Characterization and Classification by Physical Complexity

Cedric Gaucherel, Hector Zenil, Jean-Paul Delahaye

arxiv:1006.0051 v5 · 2010-06-01 · cs.CC · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{673HZOWHB5SMFGCICOTOECPUC7}

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	2026-05-18T02:23:48.562789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f67cbac70f64c2984813a6e209f417dd617b5c397ff80fbbae3da39d3f1b4a

Aliases

arxiv: 1006.0051 · arxiv_version: 1006.0051v5 · doi: 10.48550/arxiv.1006.0051 · pith_short_12: 673HZOWHB5SM · pith_short_16: 673HZOWHB5SMFGCI · pith_short_8: 673HZOWH

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/673HZOWHB5SMFGCICOTOECPUC7 \
  | 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: f7f67cbac70f64c2984813a6e209f417dd617b5c397ff80fbbae3da39d3f1b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34fcec0c95064a7363ad1c5585296873c55d48574c73a8738484806ddca3a623",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-06-01T03:23:25Z",
    "title_canon_sha256": "0371f1424ad17dbdd97d72bbe86c6a031a92320780d0b481e9bb4c9282511a1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0051",
    "kind": "arxiv",
    "version": 5
  }
}