Pith Number

pith:K7HQLYIK

pith:2006:K7HQLYIKBEAODMD4R6QVYOWUVV

not attested not anchored not stored refs pending

The MicroJansky Radio Galaxy Population

A. J. Barger, L. L. Cowie, W.-H. Wang

arxiv:astro-ph/0609374 v1 · 2006-09-13 · 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{K7HQLYIKBEAODMD4R6QVYOWUVV}

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	2026-05-18T04:28:57.739389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57cf05e10a0900e1b07c8fa15c3ad4ad69c64e6d732111314f7bbcc16b6cd7df

Aliases

arxiv: astro-ph/0609374 · arxiv_version: astro-ph/0609374v1 · doi: 10.48550/arxiv.astro-ph/0609374 · pith_short_12: K7HQLYIKBEAO · pith_short_16: K7HQLYIKBEAODMD4 · pith_short_8: K7HQLYIK

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/K7HQLYIKBEAODMD4R6QVYOWUVV \
  | 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: 57cf05e10a0900e1b07c8fa15c3ad4ad69c64e6d732111314f7bbcc16b6cd7df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f03254c6ba40ec6e04aec0ed502f128179d887ab67b515631eda4f28f00ee823",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-13T21:01:26Z",
    "title_canon_sha256": "98c1212367f6e72b9eba49e676e34c108a21c0349b65e9ad181510e63f950203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609374",
    "kind": "arxiv",
    "version": 1
  }
}