Pith Number

pith:FZPKMRQY

pith:2015:FZPKMRQYPNOUBMQNHEI7PK5SM7

not attested not anchored not stored refs pending

Analysis of transition between different ringing schemes of the church bell

Piotr Brzeski, Przemyslaw Perlikowski, Tomasz Kapitaniak

arxiv:1505.04389 v1 · 2015-05-17 · physics.class-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{FZPKMRQYPNOUBMQNHEI7PK5SM7}

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	2026-05-18T02:07:25.549008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e5ea646187b5d40b20d3911f7abb267dc0ca77a700c7192be4ed9cc7ea1f53b

Aliases

arxiv: 1505.04389 · arxiv_version: 1505.04389v1 · doi: 10.48550/arxiv.1505.04389 · pith_short_12: FZPKMRQYPNOU · pith_short_16: FZPKMRQYPNOUBMQN · pith_short_8: FZPKMRQY

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/FZPKMRQYPNOUBMQNHEI7PK5SM7 \
  | 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: 2e5ea646187b5d40b20d3911f7abb267dc0ca77a700c7192be4ed9cc7ea1f53b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d334618fd90d630f284e493ddc4e099437c0256bb87b70314be4c36b54824773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-05-17T12:23:46Z",
    "title_canon_sha256": "caf33971b8b00f33462f548931fee109e97c2aa720814c894700731a65609449"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04389",
    "kind": "arxiv",
    "version": 1
  }
}