Pith Number

pith:7YOJPCOB

pith:2012:7YOJPCOBFXNX4CKUQWKJHDTMFI

not attested not anchored not stored refs pending

The Quasi-Biennial Periodicity (QBP) in velocity and intensity helioseismic observations

A.Jim\'enez, D.Salabert, M.Roth, R.A.Garc\'ia, R.Simoniello, S.Turck-Chi\`eze, W. Finsterle

arxiv:1201.2773 v1 · 2012-01-13 · 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{7YOJPCOBFXNX4CKUQWKJHDTMFI}

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	2026-05-18T01:58:49.847759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe1c9789c12ddb7e09548594938e6c2a3db91ef7d2c545e83dcb8f7302839fb9

Aliases

arxiv: 1201.2773 · arxiv_version: 1201.2773v1 · doi: 10.48550/arxiv.1201.2773 · pith_short_12: 7YOJPCOBFXNX · pith_short_16: 7YOJPCOBFXNX4CKU · pith_short_8: 7YOJPCOB

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/7YOJPCOBFXNX4CKUQWKJHDTMFI \
  | 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: fe1c9789c12ddb7e09548594938e6c2a3db91ef7d2c545e83dcb8f7302839fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f611a8435cc5b4d26fadac44280c573f6028e4f481c1b23746cee3f71ecc846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-13T09:19:07Z",
    "title_canon_sha256": "769f1148630e6f88292f13005925510af606ebc5806fece011fbceb31f6b2ae9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2773",
    "kind": "arxiv",
    "version": 1
  }
}