Pith Number

pith:3FKAT52B

pith:2006:3FKAT52BFCON3D7JHYXAMQXME2

not attested not anchored not stored refs pending

A possible dearth of hot gas in galaxy groups at intermediate redshift

Caleb A. Scharf, David S. Spiegel, Frits Paerels

arxiv:astro-ph/0611625 v2 · 2006-11-20 · 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{3FKAT52BFCON3D7JHYXAMQXME2}

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	2026-07-04T15:36:24.045041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d95409f741289cdd8fe93e2e0642ec26ae0d610066e28e79a3a42d1747b69a5a

Aliases

arxiv: astro-ph/0611625 · arxiv_version: astro-ph/0611625v2 · doi: 10.48550/arxiv.astro-ph/0611625 · pith_short_12: 3FKAT52BFCON · pith_short_16: 3FKAT52BFCON3D7J · pith_short_8: 3FKAT52B

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/3FKAT52BFCON3D7JHYXAMQXME2 \
  | 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: d95409f741289cdd8fe93e2e0642ec26ae0d610066e28e79a3a42d1747b69a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b19bd22e2b2d694b13a930c025ec6508bb3efb9b5c90c80384342ef275e3b2a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-20T12:10:43Z",
    "title_canon_sha256": "dd9b997b57515d72ef34697ef19271da131c3964dc3da09d7d722fd749d51dd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611625",
    "kind": "arxiv",
    "version": 2
  }
}