Pith Number

pith:6YPRDVAC

pith:2012:6YPRDVACWLLH7RXHXHOUPGHK5U

not attested not anchored not stored refs pending

Variability of the Ap Star HD9996

A.V. Shatilov, J. Madej, L.V. Bychkova, V.D. Bychkov

arxiv:1211.1266 v1 · 2012-11-06 · 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{6YPRDVACWLLH7RXHXHOUPGHK5U}

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	2026-05-18T03:41:21.955874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f61f11d402b2d67fc6e7b9dd4798eaed1959bc10b5447324962c6d24c8749e25

Aliases

arxiv: 1211.1266 · arxiv_version: 1211.1266v1 · doi: 10.48550/arxiv.1211.1266 · pith_short_12: 6YPRDVACWLLH · pith_short_16: 6YPRDVACWLLH7RXH · pith_short_8: 6YPRDVAC

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/6YPRDVACWLLH7RXHXHOUPGHK5U \
  | 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: f61f11d402b2d67fc6e7b9dd4798eaed1959bc10b5447324962c6d24c8749e25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a223d6968c72f59647ef13ba067b15e0466873e51cadeb92045fbb6b684a5977",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-06T15:35:31Z",
    "title_canon_sha256": "608389122bd1311cb66c43938c461cb7c149a1f73e2990e4ade748efbcd5113a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1266",
    "kind": "arxiv",
    "version": 1
  }
}