Pith Number

pith:CYTHOU56

pith:2005:CYTHOU56NWZCA7MT3APXM4NZLE

not attested not anchored not stored refs pending

The luminosity function of the fossil group RX J1552.2+2013

Claudia L. Mendes de Oliveira, Eduardo S. Cypriano, Laerte Sodre Jr

arxiv:astro-ph/0509884 v1 · 2005-09-29 · 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{CYTHOU56NWZCA7MT3APXM4NZLE}

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	2026-05-18T01:07:26.473331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16267753be6db2207d93d81f7671b95932f46d7c3ae724a0900a9643d7eb54bd

Aliases

arxiv: astro-ph/0509884 · arxiv_version: astro-ph/0509884v1 · doi: 10.48550/arxiv.astro-ph/0509884 · pith_short_12: CYTHOU56NWZC · pith_short_16: CYTHOU56NWZCA7MT · pith_short_8: CYTHOU56

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/CYTHOU56NWZCA7MT3APXM4NZLE \
  | 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: 16267753be6db2207d93d81f7671b95932f46d7c3ae724a0900a9643d7eb54bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8803c7582c5ac716a6d59c5753b5dec5bf62b9886d62b60240e4d69c0e6bf870",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-29T16:18:22Z",
    "title_canon_sha256": "3a09a2c34509e7d07ae52dd90afd5214e6d479c3b69ccc69611ee2234753824e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509884",
    "kind": "arxiv",
    "version": 1
  }
}