Pith Number

pith:DQTWILLQ

pith:2015:DQTWILLQTUE2D3ELNOD5462AID

not attested not anchored not stored refs pending

The Evolution of Popular Music: USA 1960-2010

Armand M. Leroi, Mark Levy, Matthias Mauch, Robert M. MacCallum

arxiv:1502.05417 v1 · 2015-02-17 · physics.soc-ph · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQTWILLQTUE2D3ELNOD5462AID}

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	2026-05-18T02:16:20.189465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c27642d709d09a1ec8b6b87de7b4040c4f4c9647e98fb12102d0021b0fab037

Aliases

arxiv: 1502.05417 · arxiv_version: 1502.05417v1 · doi: 10.48550/arxiv.1502.05417 · pith_short_12: DQTWILLQTUE2 · pith_short_16: DQTWILLQTUE2D3EL · pith_short_8: DQTWILLQ

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/DQTWILLQTUE2D3ELNOD5462AID \
  | 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: 1c27642d709d09a1ec8b6b87de7b4040c4f4c9647e98fb12102d0021b0fab037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f5901c2b6d6457e34439d1d301c72ae8c96fa7f84cd4419040687684c15d92f",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-02-17T18:32:39Z",
    "title_canon_sha256": "22316d2a79e892389c3d7ea7a1f3ab717cda781fc891ecd52b5cedc29fa234c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05417",
    "kind": "arxiv",
    "version": 1
  }
}