Pith Number

pith:K2UAGOEB

pith:2001:K2UAGOEBF2PPJV7HJWCDGWSLNG

not attested not anchored not stored refs pending

The Fundamental Plane of Spiral Galaxies: Search from Observational Data

CAS), J.L. Han (NAOC), X.B. Wu (PKU), Y.P. Jing (SHAO, Z.G. Deng (GS of Cas), Z.L. Zou (NAOC)

arxiv:astro-ph/0107586 v2 · 2001-07-31 · 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{K2UAGOEBF2PPJV7HJWCDGWSLNG}

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	2026-05-18T01:40:44.290688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a80338812e9ef4d7e74d84335a4b699403777117ff5c9781e11529fc05da03

Aliases

arxiv: astro-ph/0107586 · arxiv_version: astro-ph/0107586v2 · doi: 10.48550/arxiv.astro-ph/0107586 · pith_short_12: K2UAGOEBF2PP · pith_short_16: K2UAGOEBF2PPJV7H · pith_short_8: K2UAGOEB

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/K2UAGOEBF2PPJV7HJWCDGWSLNG \
  | 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: 56a80338812e9ef4d7e74d84335a4b699403777117ff5c9781e11529fc05da03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17754b234555cd42d52cab95e2bac1b76f2f308e225ee9d7334617cf0ec798d6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-31T11:27:57Z",
    "title_canon_sha256": "c09fdd30d359d34701c4c3764b901619c8fba68fd2245f29ef818214b37b26ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107586",
    "kind": "arxiv",
    "version": 2
  }
}