Pith Number

pith:TW6FNMNZ

pith:2010:TW6FNMNZPOMA77OLACUIAOSG3Q

not attested not anchored not stored refs pending

The dynamics of cracks in torn thin sheets

Itamar Procaccia, Yossi Cohen

arxiv:1002.4207 v4 · 2010-02-22 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TW6FNMNZPOMA77OLACUIAOSG3Q}

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	2026-05-18T02:08:57.985692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dbc56b1b97b980ffdcb00a8803a46dc3d38d7ddfd28bccb1e9acc5887cae0b3

Aliases

arxiv: 1002.4207 · arxiv_version: 1002.4207v4 · doi: 10.48550/arxiv.1002.4207 · pith_short_12: TW6FNMNZPOMA · pith_short_16: TW6FNMNZPOMA77OL · pith_short_8: TW6FNMNZ

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/TW6FNMNZPOMA77OLACUIAOSG3Q \
  | 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: 9dbc56b1b97b980ffdcb00a8803a46dc3d38d7ddfd28bccb1e9acc5887cae0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e74540942c6c12be343595a05cb47e93e9600a42eafe98a30206c49c4d0dd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2010-02-22T21:31:06Z",
    "title_canon_sha256": "455c15ad650eeede3a8ecaff1825ccad91c792ddeb65e1f67e137a254119c878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4207",
    "kind": "arxiv",
    "version": 4
  }
}