Pith Number

pith:RVUUFT23

pith:2000:RVUUFT23AXZ76D5EYPITDOFUAH

not attested not anchored not stored refs pending

ASCA Observations of Three Shakhbazyan's Compact Groups of Galaxies

(2)Hiroshima University, (3)National Astronomical Observatory, (4)Shanghai Jiao Tong University), Haiguang Xu (4) ((1)University of Tokyo, Isao Takahashi (1), Kazuhiro Nakazawa (1), Kazuo Makishima (1), Keiichi Kodaira (3), Yasushi Fukazawa (2)

arxiv:astro-ph/0007083 v1 · 2000-07-07 · 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{RVUUFT23AXZ76D5EYPITDOFUAH}

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	2026-05-18T01:40:47.550728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d6942cf5b05f3ff0fa4c3d131b8b401c19da7a491c1ce7b250310b543be055c

Aliases

arxiv: astro-ph/0007083 · arxiv_version: astro-ph/0007083v1 · doi: 10.48550/arxiv.astro-ph/0007083 · pith_short_12: RVUUFT23AXZ7 · pith_short_16: RVUUFT23AXZ76D5E · pith_short_8: RVUUFT23

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/RVUUFT23AXZ76D5EYPITDOFUAH \
  | 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: 8d6942cf5b05f3ff0fa4c3d131b8b401c19da7a491c1ce7b250310b543be055c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c04442ec03d48b13daea690f33dc4698e6fe079e1b85dc18d5b3667d92c2b0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-07T05:45:35Z",
    "title_canon_sha256": "e53931d2f2cf9e229359763d34079bdaba56f8f800c13122b9a6b5d10a9e1df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007083",
    "kind": "arxiv",
    "version": 1
  }
}