Pith Number

pith:5ECXQBQD

pith:2012:5ECXQBQDULO6M5MDGH2FBL3V5A

not attested not anchored not stored refs pending

Analysis of Helioseismic Power-Spectrum Diagram of A Sunspot

Dean-Yi Chou, Junwei Zhao

arxiv:1210.8100 v1 · 2012-10-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ECXQBQDULO6M5MDGH2FBL3V5A}

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	2026-05-18T01:53:35.466301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e905780603a2dde6758331f450af75e80b03a8f1d445b22934541e906ea03eaf

Aliases

arxiv: 1210.8100 · arxiv_version: 1210.8100v1 · doi: 10.48550/arxiv.1210.8100 · pith_short_12: 5ECXQBQDULO6 · pith_short_16: 5ECXQBQDULO6M5MD · pith_short_8: 5ECXQBQD

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/5ECXQBQDULO6M5MDGH2FBL3V5A \
  | 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: e905780603a2dde6758331f450af75e80b03a8f1d445b22934541e906ea03eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "668b60ab4b75a29cbc6b321fc1d043d77ec90c154fe9b8bc0ebd14d86c25c436",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-30T17:57:32Z",
    "title_canon_sha256": "10a2a00e0540a2dc8d1b9d1fa309a0fcb5f30c5cc8b8bd8877ee64c64523dfd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8100",
    "kind": "arxiv",
    "version": 1
  }
}