Pith Number

pith:6X7M2VCR

pith:1998:6X7M2VCRTGS775GRAHVE3WOCEA

not attested not anchored not stored refs pending

Hydrodynamical Simulation of Clusters of Galaxies in X-Ray, mm, and submm Bands: Determination of Peculiar Velocity and the Hubble Constant

(2) Center for Infomation, (3) Department of Physics, Kohji Yoshikawa(1), Kyoto University, Makoto Itoh(2), Multimedia Studies, RESCEU, University of Tokyo), Yasushi Suto(3) ((1) Department of Astronomy

arxiv:astro-ph/9802250 v1 · 1998-02-19 · 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{6X7M2VCRTGS775GRAHVE3WOCEA}

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	2026-05-18T01:40:14.375761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5fecd545199a5fff4d101ea4dd9c2203a06fb2e5ff9c2fa910cce73bd2f89d1

Aliases

arxiv: astro-ph/9802250 · arxiv_version: astro-ph/9802250v1 · doi: 10.48550/arxiv.astro-ph/9802250 · pith_short_12: 6X7M2VCRTGS7 · pith_short_16: 6X7M2VCRTGS775GR · pith_short_8: 6X7M2VCR

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/6X7M2VCRTGS775GRAHVE3WOCEA \
  | 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: f5fecd545199a5fff4d101ea4dd9c2203a06fb2e5ff9c2fa910cce73bd2f89d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09c2390e946126dcbb5d4eff1a476448d76ca22e50d2020117c436827e93650",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-19T08:07:54Z",
    "title_canon_sha256": "7a75d1b4df6426a59b3a00c3eb6f73e466e2444e87f5910b17ef984d9f1f3b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802250",
    "kind": "arxiv",
    "version": 1
  }
}