Pith Number

pith:27XLQOTK

pith:2013:27XLQOTKQNZUL6LCYE6WKOOLCV

not attested not anchored not stored refs pending

Spitzer observations of a circumstellar nebula around the candidate Luminous Blue Variable MWC 930

(2) INAF-Catania Astrophysical Observatory, (3) Harvard-Smithsonian Center for Astrophysics, A. Hart (3) ((1) Centro de Astrobiologia INTA-CSIC, C. S. Buemi (2), C. Trigilio (2), G. Umana (2), Italy, J. L. Hora (3), L. Cerrigone (1), P. Leto (2), Spain, USA)

arxiv:1312.7086 v1 · 2013-12-26 · 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{27XLQOTKQNZUL6LCYE6WKOOLCV}

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	2026-05-18T01:45:41.646671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7eeb83a6a837345f962c13d6539cb156a232600012d40794c942312caafc92f

Aliases

arxiv: 1312.7086 · arxiv_version: 1312.7086v1 · doi: 10.48550/arxiv.1312.7086 · pith_short_12: 27XLQOTKQNZU · pith_short_16: 27XLQOTKQNZUL6LC · pith_short_8: 27XLQOTK

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/27XLQOTKQNZUL6LCYE6WKOOLCV \
  | 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: d7eeb83a6a837345f962c13d6539cb156a232600012d40794c942312caafc92f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89dc7d9ccf5a1bc66ee21dd6a1382304d1091a4b195798439c75b394e17f2adc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-26T11:04:33Z",
    "title_canon_sha256": "0d2355a8b629e16d30e422ed518d5a4cce2ae5b9c4a735cfda86ce06312e2bde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7086",
    "kind": "arxiv",
    "version": 1
  }
}