Pith Number

pith:6GL5ZSYA

pith:2009:6GL5ZSYAUAV7IDVEFHZGXQ3WR5

not attested not anchored not stored refs pending

Radio Properties of Brightest Cluster Members

2), Germany (2) Depto. de Astronomia, H. Andernach (1, M. E. Ramos-Ceja (2) ((1) Argelander-Institut fuer Astronomia, Mexico), Universitaet Bonn, Univ. Guanajuato

arxiv:0909.5300 v1 · 2009-09-29 · 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{6GL5ZSYAUAV7IDVEFHZGXQ3WR5}

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	2026-05-18T02:34:20.872224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f197dccb00a02bf40ea429f26bc3768f7e370e5f4704f9598231a56ebca90281

Aliases

arxiv: 0909.5300 · arxiv_version: 0909.5300v1 · doi: 10.48550/arxiv.0909.5300 · pith_short_12: 6GL5ZSYAUAV7 · pith_short_16: 6GL5ZSYAUAV7IDVE · pith_short_8: 6GL5ZSYA

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/6GL5ZSYAUAV7IDVEFHZGXQ3WR5 \
  | 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: f197dccb00a02bf40ea429f26bc3768f7e370e5f4704f9598231a56ebca90281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "986464f08ec668c4e9e1d58a61013e01aaed87e59842ca7bebd41c86a2738e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-29T10:17:43Z",
    "title_canon_sha256": "47fbde75960855b9c2f07871b9385f38e3024dd96dfcd6601eb750c35c17cbc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5300",
    "kind": "arxiv",
    "version": 1
  }
}