Pith Number

pith:UH7I3PEM

pith:2011:UH7I3PEMX7WZRDKWSOMQLLZTJO

not attested not anchored not stored refs pending

Spectral Type and Radial Velocity Variations in Three SRC Variables

C. Ian Short, David D. Balam, David G. Turner, Kathleen E. Moncrieff, Philip D. Bennett, Roger F. Griffin

arxiv:1103.1390 v1 · 2011-03-07 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UH7I3PEMX7WZRDKWSOMQLLZTJO}

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	2026-05-18T04:27:15.945129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1fe8dbc8cbfed988d56939905af334bb74d2184a37b18b5abc65fc12de64e58

Aliases

arxiv: 1103.1390 · arxiv_version: 1103.1390v1 · doi: 10.48550/arxiv.1103.1390 · pith_short_12: UH7I3PEMX7WZ · pith_short_16: UH7I3PEMX7WZRDKW · pith_short_8: UH7I3PEM

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/UH7I3PEMX7WZRDKWSOMQLLZTJO \
  | 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: a1fe8dbc8cbfed988d56939905af334bb74d2184a37b18b5abc65fc12de64e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d681b6059f4c8de76eae22c0c6ef8d4522dcfcc721f0fe32995ce292dad051",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-07T21:15:15Z",
    "title_canon_sha256": "e34cac8e69f8bf2dfac1d40f808e2802f8793ff386d2e41b07a4e1bdd9735794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1390",
    "kind": "arxiv",
    "version": 1
  }
}