Pith Number

pith:6TVHM5RJ

pith:2002:6TVHM5RJMQXMXBNIZISAOAHZSL

not attested not anchored not stored refs pending

Chandra Observation of the Cooling Flow Cluster Abell 2052

2), (2) Chandra Fellow, (3) Ohio U.), Brian R. McNamara (3) ((1) U. Virginia, Craig L. Sarazin (1), Elizabeth L. Blanton (1

arxiv:astro-ph/0211027 v1 · 2002-11-01 · 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{6TVHM5RJMQXMXBNIZISAOAHZSL}

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	2026-05-18T04:18:14.577029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4ea767629642ecb85a8ca240700f992f3ecf9191b04b7b65285ff6cbeca22f4

Aliases

arxiv: astro-ph/0211027 · arxiv_version: astro-ph/0211027v1 · doi: 10.48550/arxiv.astro-ph/0211027 · pith_short_12: 6TVHM5RJMQXM · pith_short_16: 6TVHM5RJMQXMXBNI · pith_short_8: 6TVHM5RJ

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/6TVHM5RJMQXMXBNIZISAOAHZSL \
  | 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: f4ea767629642ecb85a8ca240700f992f3ecf9191b04b7b65285ff6cbeca22f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "363cd0c0ee7397c1c8a732284c54b01ac77627dbc57eaaf41b1a862ee8f1cfcb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-01T21:24:23Z",
    "title_canon_sha256": "f8ce999a0404f40c5f2751c5f61c82365c4f26637d0abb587c6b54377340f212"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211027",
    "kind": "arxiv",
    "version": 1
  }
}