Pith Number

pith:WKC6JXDX

pith:2019:WKC6JXDXS347Q4CFNCUYKNSIKY

not attested not anchored not stored refs pending

Carbon 12C/13C isotope ratio of alpha Aurigae revised

Daniel P. Sablowski, Ilya Ilyin, Klaus G. Strassmeier, Silva J\"arvinen

arxiv:1902.01133 v1 · 2019-02-04 · 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{WKC6JXDXS347Q4CFNCUYKNSIKY}

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	2026-05-17T23:54:07.982213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b285e4dc7796f9f8704568a9853648562945696996c433125fe165f7e0d47129

Aliases

arxiv: 1902.01133 · arxiv_version: 1902.01133v1 · doi: 10.48550/arxiv.1902.01133 · pith_short_12: WKC6JXDXS347 · pith_short_16: WKC6JXDXS347Q4CF · pith_short_8: WKC6JXDX

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/WKC6JXDXS347Q4CFNCUYKNSIKY \
  | 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: b285e4dc7796f9f8704568a9853648562945696996c433125fe165f7e0d47129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5f20da50a2b268ab8b31145dcc794c78028c8d0d59aaa091dd66b102155553b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-04T11:46:47Z",
    "title_canon_sha256": "4ec2f5fb25e7279c9ec60497f800cca6a929d253465788c9f8460ab9143306f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01133",
    "kind": "arxiv",
    "version": 1
  }
}