Pith Number

pith:ZGUSWWVW

pith:2009:ZGUSWWVWLQNJKGXJCYTGZUSK5T

not attested not anchored not stored refs pending

Determining all gas properties in galaxy clusters from the dark matter distribution alone

Marco Roncadelli, Ole Host, Steen H. Hansen, Teddy F. Frederiksen

arxiv:0906.0455 v1 · 2009-06-02 · 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{ZGUSWWVWLQNJKGXJCYTGZUSK5T}

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	2026-05-18T04:01:00.241274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a92b5ab65c1a951ae916266cd24aecc4bbb364a1d8d8506decc94d93cad1f2

Aliases

arxiv: 0906.0455 · arxiv_version: 0906.0455v1 · doi: 10.48550/arxiv.0906.0455 · pith_short_12: ZGUSWWVWLQNJ · pith_short_16: ZGUSWWVWLQNJKGXJ · pith_short_8: ZGUSWWVW

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/ZGUSWWVWLQNJKGXJCYTGZUSK5T \
  | 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: c9a92b5ab65c1a951ae916266cd24aecc4bbb364a1d8d8506decc94d93cad1f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33f18abd07495063f237550f427fe9c7195c4a513663e3bc922b19f9a315642f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-02T10:11:19Z",
    "title_canon_sha256": "1ea4f2968ae60cb9774a32d0c6438cf3d3f9bb81a160a4d55a0f29a6dd408b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0455",
    "kind": "arxiv",
    "version": 1
  }
}