Pith Number

pith:ZBWVRU57

pith:2013:ZBWVRU57FDKIBRTYGIDKJCDD4D

not attested not anchored not stored refs pending

Comment on "The influence of planetary attractions on the solar tachocline" by Callebaut, de Jager and Duhau

J.-E. Solheim, K. Stordahl, Nicola Scafetta, O. Humlum

arxiv:1304.2023 v1 · 2013-04-07 · astro-ph.SR · astro-ph.EP · physics.geo-ph · physics.space-ph

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

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	2026-05-18T03:28:44.337579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c86d58d3bf28d480c6783206a48863e0cbc12ab08364faab6b525b50cb04632e

Aliases

arxiv: 1304.2023 · arxiv_version: 1304.2023v1 · doi: 10.48550/arxiv.1304.2023 · pith_short_12: ZBWVRU57FDKI · pith_short_16: ZBWVRU57FDKIBRTY · pith_short_8: ZBWVRU57

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/ZBWVRU57FDKIBRTYGIDKJCDD4D \
  | 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: c86d58d3bf28d480c6783206a48863e0cbc12ab08364faab6b525b50cb04632e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba692ea2c717455c308c5259e98d73209150aec29ab19425ca11540f8a98512e",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.geo-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-07T16:57:59Z",
    "title_canon_sha256": "0f620431547746eb5a3934fa9af7cdfb458b207513b78ebeb1c34647736e05e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2023",
    "kind": "arxiv",
    "version": 1
  }
}