Pith Number

pith:KLMOIXEX

pith:2011:KLMOIXEXG32OQFZQQOF3PZTYCU

not attested not anchored not stored refs pending

Star Formation Efficiency in the Cool Cores of Galaxy Clusters

Christopher Reynolds, David S. N. Rupke, Michael McDonald, Richard Mushotzky, Sylvain Veilleux

arxiv:1104.0665 v1 · 2011-04-04 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLMOIXEXG32OQFZQQOF3PZTYCU}

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	2026-05-18T02:02:38.259372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52d8e45c9736f4e81730838bb7e678150c9e7bac2b5d2a333340cebae0526f68

Aliases

arxiv: 1104.0665 · arxiv_version: 1104.0665v1 · doi: 10.48550/arxiv.1104.0665 · pith_short_12: KLMOIXEXG32O · pith_short_16: KLMOIXEXG32OQFZQ · pith_short_8: KLMOIXEX

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/KLMOIXEXG32OQFZQQOF3PZTYCU \
  | 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: 52d8e45c9736f4e81730838bb7e678150c9e7bac2b5d2a333340cebae0526f68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "993526ebfb05336b2cc2d15b1f7f9006c3458a99f04aa0cbfcd6bfb11750d257",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-04T20:00:00Z",
    "title_canon_sha256": "2eed5571694394d212c23a224be338dc12c8bfdf820bbd7efbde44f3ac89160b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0665",
    "kind": "arxiv",
    "version": 1
  }
}