Pith Number

pith:7RWKHBRH

pith:2013:7RWKHBRHM2NCTNIFDG4SNYPBZS

not attested not anchored not stored refs pending

FUV Detection of the Suspected Subdwarf Companion to the Be Star 59 Cygni

Douglas R. Gies, Erika D. Grundstrom, Geraldine J. Peters, Tiffany D. Pewett, Yamina N. Touhami

arxiv:1301.0257 v1 · 2013-01-02 · 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{7RWKHBRHM2NCTNIFDG4SNYPBZS}

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	2026-05-18T01:52:22.216887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6ca38627669a29b50519b926e1e1cca888f9274ab770882e8d18c61847f609

Aliases

arxiv: 1301.0257 · arxiv_version: 1301.0257v1 · doi: 10.48550/arxiv.1301.0257 · pith_short_12: 7RWKHBRHM2NC · pith_short_16: 7RWKHBRHM2NCTNIF · pith_short_8: 7RWKHBRH

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/7RWKHBRHM2NCTNIFDG4SNYPBZS \
  | 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: fc6ca38627669a29b50519b926e1e1cca888f9274ab770882e8d18c61847f609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae2d579cc9e1a95dbc8067c62ce36fd72e7710c59a3dc8efe20aaba370ec6fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-02T16:36:01Z",
    "title_canon_sha256": "7ded79115dfb70327111e984c2c9108ab5df14f5f5e300ed7e7009f692b03c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0257",
    "kind": "arxiv",
    "version": 1
  }
}