Pith Number

pith:3DJGWCL6

pith:1999:3DJGWCL6ADB6GAN352243UIF6T

not attested not anchored not stored refs pending

Global Relationships among Physical Properties of Galaxy Cluster Cores

Fumio Takahara (Osaka U.), Yutaka Fujita

arxiv:astro-ph/9912515 v1 · 1999-12-25 · 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{3DJGWCL6ADB6GAN352243UIF6T}

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	2026-05-18T01:40:12.210827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8d26b097e00c3e301bbeeb5cdd105f4f3ec6da24260f25c62f0819f47d361ec

Aliases

arxiv: astro-ph/9912515 · arxiv_version: astro-ph/9912515v1 · doi: 10.48550/arxiv.astro-ph/9912515 · pith_short_12: 3DJGWCL6ADB6 · pith_short_16: 3DJGWCL6ADB6GAN3 · pith_short_8: 3DJGWCL6

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/3DJGWCL6ADB6GAN352243UIF6T \
  | 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: d8d26b097e00c3e301bbeeb5cdd105f4f3ec6da24260f25c62f0819f47d361ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04ade4e25209e45295d2b4846ce97001fc38d8dcbe641d6b6cd9beffc1bea4f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-25T06:20:22Z",
    "title_canon_sha256": "7a3fbe5bc24a5b0b62caebdc77f4f22e8c3a9716b6196c23df1274df1051325f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912515",
    "kind": "arxiv",
    "version": 1
  }
}