Pith Number

pith:KVW5NCDD

pith:2002:KVW5NCDDKUG6Z6RNZCAJ233IA5

not attested not anchored not stored refs pending

Extended Thermal X-ray Emission from the Spiral-Dominant Group of Galaxies HCG 57

Akimitsu Ohto (1) ((1) Hiroshima Univsersity), Naomi Kawano (1), Yasushi Fukazawa (1)

arxiv:astro-ph/0207011 v1 · 2002-06-30 · 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{KVW5NCDDKUG6Z6RNZCAJ233IA5}

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	2026-05-18T01:40:42.583227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

556dd68863550decfa2dc8809d6f68077f139cc5e6a15af9baffe830ca553f7a

Aliases

arxiv: astro-ph/0207011 · arxiv_version: astro-ph/0207011v1 · doi: 10.48550/arxiv.astro-ph/0207011 · pith_short_12: KVW5NCDDKUG6 · pith_short_16: KVW5NCDDKUG6Z6RN · pith_short_8: KVW5NCDD

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/KVW5NCDDKUG6Z6RNZCAJ233IA5 \
  | 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: 556dd68863550decfa2dc8809d6f68077f139cc5e6a15af9baffe830ca553f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667d849bf12c700ec9d635215190e06ebe4227114c5b2d058993c7c19014890b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-30T02:34:07Z",
    "title_canon_sha256": "f73d37c3763c2e319d9c3a11a01c23ad5f3efb982ca8152f55c46aefdfa52caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207011",
    "kind": "arxiv",
    "version": 1
  }
}