Pith Number

pith:NC4ZCXSO

pith:2013:NC4ZCXSOXMPGO67HYAHUWDCFON

not attested not anchored not stored refs pending

Collective Motion of Moshers at Heavy Metal Concerts

Itai Cohen, James P. Sethna, Jesse L. Silverberg, Matthew Bierbaum

arxiv:1302.1886 v1 · 2013-02-07 · physics.soc-ph · cs.SI · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NC4ZCXSOXMPGO67HYAHUWDCFON}

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	2026-05-18T03:21:53.828607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b9915e4ebb1e677be7c00f4b0c457361deab9f45ac35e9597d049cf3f0dbbb

Aliases

arxiv: 1302.1886 · arxiv_version: 1302.1886v1 · doi: 10.48550/arxiv.1302.1886 · pith_short_12: NC4ZCXSOXMPG · pith_short_16: NC4ZCXSOXMPGO67H · pith_short_8: NC4ZCXSO

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/NC4ZCXSOXMPGO67HYAHUWDCFON \
  | 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: 68b9915e4ebb1e677be7c00f4b0c457361deab9f45ac35e9597d049cf3f0dbbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caa537dc17bf00d70ee8a58c35583c593cb24c425d5972b8807037bc32846f9f",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-02-07T21:28:54Z",
    "title_canon_sha256": "fa9b2b6b0ad4be73fe3826e337eff43fc6c1e18aa3f8a3cf68f10dbdfed29d81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1886",
    "kind": "arxiv",
    "version": 1
  }
}