Pith Number

pith:VSNZ2IQB

pith:2013:VSNZ2IQBPLG4VVDL4BXJLINLR7

not attested not anchored not stored refs pending

The Age and Stellar Parameters of the Procyon Binary System

David Arnett, Gilles Fontaine, James Liebert, Kurtis A. Williams, Patrick A. Young

arxiv:1305.0587 v1 · 2013-05-02 · 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{VSNZ2IQBPLG4VVDL4BXJLINLR7}

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	2026-05-18T01:50:12.970262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac9b9d22017acdcad46be06e95a1ab8fc41b8a9283656e83a60842473263f2f4

Aliases

arxiv: 1305.0587 · arxiv_version: 1305.0587v1 · doi: 10.48550/arxiv.1305.0587 · pith_short_12: VSNZ2IQBPLG4 · pith_short_16: VSNZ2IQBPLG4VVDL · pith_short_8: VSNZ2IQB

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/VSNZ2IQBPLG4VVDL4BXJLINLR7 \
  | 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: ac9b9d22017acdcad46be06e95a1ab8fc41b8a9283656e83a60842473263f2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2add1c5a316fba49872022b39ae90a77521f5e3f6897422c375cee4ef4116f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-02T22:09:57Z",
    "title_canon_sha256": "4dca5ce8e3a770ad4cd13bf03cec7918cb5d4a624df0fabdba6a2b873703e920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0587",
    "kind": "arxiv",
    "version": 1
  }
}