Pith Number

pith:7KH563NI

pith:2010:7KH563NIYT52KO7ZAS7ON4A6BN

not attested not anchored not stored refs pending

Galaxy Clusters at the Edge: Temperature, Entropy, and Gas Dynamics at the Virial Radius

Brian W. O'Shea, Jack O. Burns, Samuel W. Skillman

arxiv:1004.3553 v1 · 2010-04-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KH563NIYT52KO7ZAS7ON4A6BN}

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	2026-05-18T02:07:56.002983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa8fdf6da8c4fba53bf904bee6f01e0b40c247a56c0397624cd4dafc172a1995

Aliases

arxiv: 1004.3553 · arxiv_version: 1004.3553v1 · doi: 10.48550/arxiv.1004.3553 · pith_short_12: 7KH563NIYT52 · pith_short_16: 7KH563NIYT52KO7Z · pith_short_8: 7KH563NI

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/7KH563NIYT52KO7ZAS7ON4A6BN \
  | 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: fa8fdf6da8c4fba53bf904bee6f01e0b40c247a56c0397624cd4dafc172a1995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd95ebc31fb71f785cffe68e37953933ae332b3bdb16d8ba4c24a131299821cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-20T20:06:54Z",
    "title_canon_sha256": "266eec320cb3a1ff122a10ba3d3690be7e50a89c53507ae553c186a399dd3648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3553",
    "kind": "arxiv",
    "version": 1
  }
}