Pith Number

pith:RV3BYZXL

pith:2012:RV3BYZXLTXAAB3X2DNPO5DVOYL

not attested not anchored not stored refs pending

Evidence for chaotic behaviour in pulsar spin-down rates

A. D. Seymour, D. R. Lorimer

arxiv:1209.5645 v1 · 2012-09-25 · astro-ph.SR · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RV3BYZXLTXAAB3X2DNPO5DVOYL}

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	2026-05-18T03:41:41.844394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d761c66eb9dc000eefa1b5eee8eaec2e48da7ec7da872001786ff504b5743ac

Aliases

arxiv: 1209.5645 · arxiv_version: 1209.5645v1 · doi: 10.48550/arxiv.1209.5645 · pith_short_12: RV3BYZXLTXAA · pith_short_16: RV3BYZXLTXAAB3X2 · pith_short_8: RV3BYZXL

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/RV3BYZXLTXAAB3X2DNPO5DVOYL \
  | 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: 8d761c66eb9dc000eefa1b5eee8eaec2e48da7ec7da872001786ff504b5743ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77b9311de49270096c46bc77b715a7d68357d4c198b1e322d05d7dd5a6b01857",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-25T15:30:28Z",
    "title_canon_sha256": "a88451ccd8b48545eacef729645001be3394fce2db61c09b799b33b35c882011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5645",
    "kind": "arxiv",
    "version": 1
  }
}