Pith Number

pith:CWG2LLIR

pith:2004:CWG2LLIR6BVKBFSHJU2XUQBHEW

not attested not anchored not stored refs pending

Cluster mergers, core oscillations, and cold fronts

2), (2) Institute for Astronomy, Eric R. Tittley (1, Mark Henriksen (1) ((1) Joint Center for Astrophysics, UMBC, University of Edinburgh)

arxiv:astro-ph/0409177 v1 · 2004-09-08 · 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{CWG2LLIR6BVKBFSHJU2XUQBHEW}

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	2026-05-18T02:40:26.214900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

158da5ad11f06aa096474d357a402725bdafdec219e4735c23667e734ea41526

Aliases

arxiv: astro-ph/0409177 · arxiv_version: astro-ph/0409177v1 · doi: 10.48550/arxiv.astro-ph/0409177 · pith_short_12: CWG2LLIR6BVK · pith_short_16: CWG2LLIR6BVKBFSH · pith_short_8: CWG2LLIR

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/CWG2LLIR6BVKBFSHJU2XUQBHEW \
  | 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: 158da5ad11f06aa096474d357a402725bdafdec219e4735c23667e734ea41526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe5f5319b7002d66747035839ca589b09f08461d781344391ceba59562e7f592",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-08T03:30:52Z",
    "title_canon_sha256": "67594ae49ecd7b8e03f1d6fdc0940b1723a170fb477b19bd0caec3a864bf8c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409177",
    "kind": "arxiv",
    "version": 1
  }
}