Pith Number

pith:AFKSGW4I

pith:2019:AFKSGW4IIGC2JCEPVFBK6UIIBW

not attested not anchored not stored refs pending

Five decades of US, UK, German and Dutch music charts show that cultural processes are accelerating

Claudius Gros, Lukas Schneider

arxiv:1908.10694 v1 · 2019-08-26 · physics.soc-ph · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFKSGW4IIGC2JCEPVFBK6UIIBW}

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	2026-07-05T00:00:20.197152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0155235b884185a4888fa942af51080d8271807acd5f2147c26b04491999cfc9

Aliases

arxiv: 1908.10694 · arxiv_version: 1908.10694v1 · doi: 10.48550/arxiv.1908.10694 · pith_short_12: AFKSGW4IIGC2 · pith_short_16: AFKSGW4IIGC2JCEP · pith_short_8: AFKSGW4I

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/AFKSGW4IIGC2JCEPVFBK6UIIBW \
  | 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: 0155235b884185a4888fa942af51080d8271807acd5f2147c26b04491999cfc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65954aff522da3428818396cf7d5e74f7b92386debdc266c6b8830e8a517bb6b",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2019-08-26T08:06:16Z",
    "title_canon_sha256": "08fdc1a8d0f061c4e8226c2f9827b13d7042b919fa21e78429a147274ac7d2d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10694",
    "kind": "arxiv",
    "version": 1
  }
}