Pith Number

pith:ZA7CPU43

pith:2018:ZA7CPU43PFVNCBTN275MGAWTVS

not attested not anchored not stored refs pending

The Spectral Type of the Ionizing Stars and the Infrared Fluxes of HII Regions

A.M.Sobolev, A.P.Topchieva, M.S.Kirsanova

arxiv:1811.09093 v2 · 2018-11-22 · 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{ZA7CPU43PFVNCBTN275MGAWTVS}

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

SMGPS: A study of Galactic HII regions with extended morphology

Receipt and verification

First computed	2026-05-17T23:59:57.378940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83e27d39b796ad1066dd7fac302d3ac98700705e7a13b441745070a667d48a9

Aliases

arxiv: 1811.09093 · arxiv_version: 1811.09093v2 · doi: 10.48550/arxiv.1811.09093 · pith_short_12: ZA7CPU43PFVN · pith_short_16: ZA7CPU43PFVNCBTN · pith_short_8: ZA7CPU43

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/ZA7CPU43PFVNCBTN275MGAWTVS \
  | 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: c83e27d39b796ad1066dd7fac302d3ac98700705e7a13b441745070a667d48a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68e9cd06e12ccec99924ddfbfe17d6cfb45d755635b4f27f9e98f18dfbb11172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-22T10:37:40Z",
    "title_canon_sha256": "58f959949f45dcecd8015df68654f47ef232048759d349ae10a1b1fca99ac47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09093",
    "kind": "arxiv",
    "version": 2
  }
}