Pith Number

pith:VIXQK5BK

pith:2012:VIXQK5BKRPSZFUSR4WBQEXJETU

not attested not anchored not stored refs pending

Chemical composition of AY Ceti: A flaring, spotted star with a white dwarf companion

G. Barisevi\v{c}ius, G. Tautvai\v{s}ien\.e, I. Ilyin, S. Berdyugina, Y. Chorniy

arxiv:1201.4699 v1 · 2012-01-23 · 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{VIXQK5BKRPSZFUSR4WBQEXJETU}

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	2026-05-18T01:58:43.541906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa2f05742a8be592d251e583025d249d24204f519b278341267c8f335cf6cbfa

Aliases

arxiv: 1201.4699 · arxiv_version: 1201.4699v1 · doi: 10.48550/arxiv.1201.4699 · pith_short_12: VIXQK5BKRPSZ · pith_short_16: VIXQK5BKRPSZFUSR · pith_short_8: VIXQK5BK

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/VIXQK5BKRPSZFUSR4WBQEXJETU \
  | 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: aa2f05742a8be592d251e583025d249d24204f519b278341267c8f335cf6cbfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "716a09621dbb72f46745927f176105c04f7d1d5f6855e5e247b857b869433522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-23T12:20:54Z",
    "title_canon_sha256": "6ffcdfab840e1e0ed0fddd262be41a5103f0cf166cd344e5557655587d880416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4699",
    "kind": "arxiv",
    "version": 1
  }
}