Pith Number

pith:3XEPSTYC

pith:2021:3XEPSTYCEVAR73K4BACSGGVZCK

not attested not anchored not stored refs pending

The Alma catalog of OB stars. II. A cross-match with Gaia DR2 and an updated map of the solar neighbourhood

B. Cameron Reed, J. Ma\'iz Apell\'aniz, M. Pantaleoni Gonz\'alez, R. H. Barb\'a

arxiv:2103.02748 v1 · 2021-03-03 · astro-ph.SR · 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{3XEPSTYCEVAR73K4BACSGGVZCK}

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

Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors

Receipt and verification

First computed	2026-07-05T02:51:19.329720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc8f94f0225411fed5c0805231ab912bc0ef0bad7f45323d80f5041275de164

Aliases

arxiv: 2103.02748 · arxiv_version: 2103.02748v1 · doi: 10.48550/arxiv.2103.02748 · pith_short_12: 3XEPSTYCEVAR · pith_short_16: 3XEPSTYCEVAR73K4 · pith_short_8: 3XEPSTYC

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/3XEPSTYCEVAR73K4BACSGGVZCK \
  | 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: ddc8f94f0225411fed5c0805231ab912bc0ef0bad7f45323d80f5041275de164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa10083da887288cae217a2941b1d9c9a4dd14e60df8f9b2c58075193b28e13",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-03T23:17:44Z",
    "title_canon_sha256": "163eaa14717962e6609cd549ba125080df0195edb76f3429085a1308dbec7a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02748",
    "kind": "arxiv",
    "version": 1
  }
}