Pith Number

pith:WI4BGAUQ

pith:2016:WI4BGAUQSFWHI27EWH4EBE4M2M

not attested not anchored not stored refs pending

New Luminous ON Spectra from the Galactic O-Star Spectroscopic Survey

Alfredo Sota (Instituto de Astrofisica de Andalucia--CSIC), Las Campanas Observatory), Nidia I. Morrell (Las Campanas Observatory), Nolan R. Walborn (Space Telescope Science Institute), Rodolfo H. Barba (Universidad de La Serena

arxiv:1603.04749 v1 · 2016-03-15 · 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{WI4BGAUQSFWHI27EWH4EBE4M2M}

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	2026-05-18T01:18:28.605934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b238130290916c746be4b1f840938cd32fbc0163f41f48dbc208a4b3df12feb3

Aliases

arxiv: 1603.04749 · arxiv_version: 1603.04749v1 · doi: 10.48550/arxiv.1603.04749 · pith_short_12: WI4BGAUQSFWH · pith_short_16: WI4BGAUQSFWHI27E · pith_short_8: WI4BGAUQ

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/WI4BGAUQSFWHI27EWH4EBE4M2M \
  | 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: b238130290916c746be4b1f840938cd32fbc0163f41f48dbc208a4b3df12feb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7a99634cfbb4ceac9aa993356885251d521cc1c2c8a6c48dffd8f0a8805748d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-15T16:27:42Z",
    "title_canon_sha256": "308110740f3b9729866eacba6b8aa4815488f0614fc6d2c2f4d54df518da43d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04749",
    "kind": "arxiv",
    "version": 1
  }
}