Pith Number

pith:URK2FMXL

pith:2015:URK2FMXL7EV6VZTQ4RBEXPMWN3

not attested not anchored not stored refs pending

A catalog of early-type stars toward the Galactic center

Preben Grosb{\o}l

arxiv:1512.05888 v1 · 2015-12-18 · 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{URK2FMXL7EV6VZTQ4RBEXPMWN3}

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	2026-05-18T01:22:58.268222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a455a2b2ebf92beae670e4424bbd966eeb23534db13ecea8fd71f192da519ffa

Aliases

arxiv: 1512.05888 · arxiv_version: 1512.05888v1 · doi: 10.48550/arxiv.1512.05888 · pith_short_12: URK2FMXL7EV6 · pith_short_16: URK2FMXL7EV6VZTQ · pith_short_8: URK2FMXL

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/URK2FMXL7EV6VZTQ4RBEXPMWN3 \
  | 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: a455a2b2ebf92beae670e4424bbd966eeb23534db13ecea8fd71f192da519ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a95197d4a82b9813189c59ca2635ed4506723afb8d35238a9da313554a469e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-18T10:11:41Z",
    "title_canon_sha256": "d2c9231f40af931426bee371c4de43bd5723a06ea204ce569dbe43254fc738ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05888",
    "kind": "arxiv",
    "version": 1
  }
}