Pith Number

pith:3ZJ5F5XR

pith:2004:3ZJ5F5XR5UQLFMTVALLM7CG543

not attested not anchored not stored refs pending

Studies of local jamming via penetration of a granular medium

D. P. Bernstein, M. B. Stone, M. D. Pelc, P. Schiffer, R. Barry, Y. K. Tsui

arxiv:cond-mat/0404587 v1 · 2004-04-26 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZJ5F5XR5UQLFMTVALLM7CG543}

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	2026-07-04T16:46:14.525514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de53d2f6f1ed20b2b27502d6cf88dde6d1b5f212bd520016c7a5e249c88a8b21

Aliases

arxiv: cond-mat/0404587 · arxiv_version: cond-mat/0404587v1 · doi: 10.48550/arxiv.cond-mat/0404587 · pith_short_12: 3ZJ5F5XR5UQL · pith_short_16: 3ZJ5F5XR5UQLFMTV · pith_short_8: 3ZJ5F5XR

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/3ZJ5F5XR5UQLFMTVALLM7CG543 \
  | 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: de53d2f6f1ed20b2b27502d6cf88dde6d1b5f212bd520016c7a5e249c88a8b21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d134cc3ee421b2730b85ae1e7f1ad0d41d06894265b95d677a08a2f581409b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2004-04-26T12:49:33Z",
    "title_canon_sha256": "53ab71f6bcea34c922d4e8b4e4fa60500bc9051a562a2676db1342c30b619c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0404587",
    "kind": "arxiv",
    "version": 1
  }
}