Pith Number

pith:R37OPKIU

pith:1998:R37OPKIU5OQ25ICFNAYCN7CSYO

not attested not anchored not stored refs pending

Photometric Properties of Kiso Ultraviolet-Excess Galaxies in the Lynx-Ursa Major Region

(2) Department of Earth, (3) Toyama Science Museum), Akihiko Tomita (2), Astronomical Sciences, Ikuru Iwata (3), Kouichiro Nakanishi (1), Kyoto University, Mamoru Sait\=o (1) ((1) Department of Astronomy, Takako T. Ishii (1), Tsutomu T. Takeuchi (1), Wakayama University

arxiv:astro-ph/9810161 v2 · 1998-10-09 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R37OPKIU5OQ25ICFNAYCN7CSYO}

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	2026-05-18T01:09:21.382907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8efee7a914eba1aea045683026fc52c3af258ea8030c67b6e6f7d5a8597c3b70

Aliases

arxiv: astro-ph/9810161 · arxiv_version: astro-ph/9810161v2 · doi: 10.48550/arxiv.astro-ph/9810161 · pith_short_12: R37OPKIU5OQ2 · pith_short_16: R37OPKIU5OQ25ICF · pith_short_8: R37OPKIU

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/R37OPKIU5OQ25ICFNAYCN7CSYO \
  | 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: 8efee7a914eba1aea045683026fc52c3af258ea8030c67b6e6f7d5a8597c3b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8190c886f6a85f36e5d3e2aa64e0026eba7bec86c886298be0f3c2fc243264d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-09T19:01:44Z",
    "title_canon_sha256": "6984f2e882bf0a25c6f09ae681cf0d7b3316b16085cbf67566618b115ca883ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810161",
    "kind": "arxiv",
    "version": 2
  }
}