Pith Number

pith:46YYZ74V

pith:1992:46YYZ74VGHBNPQU4HVLFGYIUY6

not attested not anchored not stored refs pending

Cellular automaton for the fracture of disordered media

Peter Ossadnik

arxiv:cond-mat/9211015 v1 · 1992-11-21 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46YYZ74VGHBNPQU4HVLFGYIUY6}

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	2026-05-18T01:39:37.698882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7b18cff9531c2d7c29c3d56536114c7a61d78b832674ba80842c24b7c529ba5

Aliases

arxiv: cond-mat/9211015 · arxiv_version: cond-mat/9211015v1 · doi: 10.48550/arxiv.cond-mat/9211015 · pith_short_12: 46YYZ74VGHBN · pith_short_16: 46YYZ74VGHBNPQU4 · pith_short_8: 46YYZ74V

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/46YYZ74VGHBNPQU4HVLFGYIUY6 \
  | 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: e7b18cff9531c2d7c29c3d56536114c7a61d78b832674ba80842c24b7c529ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd4a7a78399287bedcab174f838e25ded3dbbd29f783479fe943e50127b7165a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1992-11-21T14:52:58Z",
    "title_canon_sha256": "3ec22c24761307565546a150726273e9da674c22dd922487eab726b7ed75a3c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9211015",
    "kind": "arxiv",
    "version": 1
  }
}