Pith Number

pith:OPY7JV2O

pith:2010:OPY7JV2OEWBV6TFRMTOL3QU5AZ

not attested not anchored not stored refs pending

Column collapse of granular rods

M. Trepanier, Scott V. Franklin

arxiv:1005.0319 v2 · 2010-05-03 · 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{OPY7JV2OEWBV6TFRMTOL3QU5AZ}

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	2026-05-18T02:24:09.241238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f1f4d74e25835f4cb164dcbdc29d0669574a9f861986a1e6787a3dc70bdb81

Aliases

arxiv: 1005.0319 · arxiv_version: 1005.0319v2 · doi: 10.48550/arxiv.1005.0319 · pith_short_12: OPY7JV2OEWBV · pith_short_16: OPY7JV2OEWBV6TFR · pith_short_8: OPY7JV2O

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/OPY7JV2OEWBV6TFRMTOL3QU5AZ \
  | 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: 73f1f4d74e25835f4cb164dcbdc29d0669574a9f861986a1e6787a3dc70bdb81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20f3fb5ea84aeb5246166fdec4efce8654554cffc6a3d0b41424ec33f7e3c70b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2010-05-03T15:18:08Z",
    "title_canon_sha256": "8c4b3d28a1ee00f26c1880bf422fc5950c7f6085e7d608db315fad3310ce32cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0319",
    "kind": "arxiv",
    "version": 2
  }
}