Pith Number

pith:7ZL35D6Q

pith:2003:7ZL35D6QO7WLCRQD54MAL63JEY

not attested not anchored not stored refs pending

Crumpling of a stiff tethered membrane

J.A. Astrom, J. Timonen, Mikko Karttunen

arxiv:cond-mat/0309506 v1 · 2003-09-22 · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZL35D6QO7WLCRQD54MAL63JEY}

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	2026-05-18T01:39:59.167582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe57be8fd077ecb14603ef1805fb692630b2196969c80a80d58d383b1f03d3cf

Aliases

arxiv: cond-mat/0309506 · arxiv_version: cond-mat/0309506v1 · doi: 10.48550/arxiv.cond-mat/0309506 · pith_short_12: 7ZL35D6QO7WL · pith_short_16: 7ZL35D6QO7WLCRQD · pith_short_8: 7ZL35D6Q

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/7ZL35D6QO7WLCRQD54MAL63JEY \
  | 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: fe57be8fd077ecb14603ef1805fb692630b2196969c80a80d58d383b1f03d3cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef7962e1a38260b4e090dce28bde6f4f65db81666894e59f0e48ed504202311",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2003-09-22T16:35:20Z",
    "title_canon_sha256": "6dc1909e39c59b6d340119c3ee5cea93bc446cf0ceb777f915bbb6729eb1197c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0309506",
    "kind": "arxiv",
    "version": 1
  }
}