Pith Number

pith:Q5GHCF3E

pith:1999:Q5GHCF3ENMPZLQLKMTFT7XXFZT

not attested not anchored not stored refs pending

ASCA Measurements of Metallicity and Temperature Distributions in Three Clusters: A4059, MKW 3s and 2A 0335+096

H. Ezawa, K. Kikuchi, N. Y. Yamasaki, T. Furusho, T. Ohashi, Y. Fukazawa, Y. Ikebe

arxiv:astro-ph/9903431 v2 · 1999-03-29 · 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{Q5GHCF3ENMPZLQLKMTFT7XXFZT}

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	2026-05-18T01:40:13.305049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

874c7117646b1f95c16a64cb3fdee5ccf2147cb7c242a20770fc0862182a458e

Aliases

arxiv: astro-ph/9903431 · arxiv_version: astro-ph/9903431v2 · doi: 10.48550/arxiv.astro-ph/9903431 · pith_short_12: Q5GHCF3ENMPZ · pith_short_16: Q5GHCF3ENMPZLQLK · pith_short_8: Q5GHCF3E

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/Q5GHCF3ENMPZLQLKMTFT7XXFZT \
  | 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: 874c7117646b1f95c16a64cb3fdee5ccf2147cb7c242a20770fc0862182a458e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76b3bb76aa1e8af93f44ae552558d4495666c8e4b1bf188f6c4331278c83acb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-03-29T13:49:56Z",
    "title_canon_sha256": "de5caa0e3016e81dbcd95b65e976e9582edecc0f157ca97eaa9b3bf0bfcf0b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9903431",
    "kind": "arxiv",
    "version": 2
  }
}