Pith Number

pith:F7TCO2I5

pith:2013:F7TCO2I5QBBXJFQHY6II3LOH3V

not attested not anchored not stored refs pending

Synthetic spectra for O and B type subdwarf stars

Ivan Hubeny, Peter Nemeth, Pier-Emmanuel Tremblay, Roy {\O}stensen

arxiv:1308.0252 v1 · 2013-08-01 · 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{F7TCO2I5QBBXJFQHY6II3LOH3V}

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.

Cited by

1 paper in Pith

TESS Observations of Stochastic Low-frequency Variability in Extreme Helium Stars

Receipt and verification

First computed	2026-05-18T03:16:59.468342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe627691d8043749607c7908dadc7dd523c785d3cb2ae249a7b825264330827

Aliases

arxiv: 1308.0252 · arxiv_version: 1308.0252v1 · doi: 10.48550/arxiv.1308.0252 · pith_short_12: F7TCO2I5QBBX · pith_short_16: F7TCO2I5QBBXJFQH · pith_short_8: F7TCO2I5

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/F7TCO2I5QBBXJFQHY6II3LOH3V \
  | 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: 2fe627691d8043749607c7908dadc7dd523c785d3cb2ae249a7b825264330827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba42fc7d9da3ac0ece3b4fdeaea1ef008d3e016141be2ac4a9cfcbb9086ba919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-01T15:54:15Z",
    "title_canon_sha256": "cdfde2c0c7adf81a438402d1d2eb10d8093e3424227e6b7acfaf02d999aec089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0252",
    "kind": "arxiv",
    "version": 1
  }
}