Pith Number

pith:VG22UJZ6

pith:2004:VG22UJZ6QZN6U2K4TBET56Q5H3

not attested not anchored not stored refs pending

The SEDs of the revised 200 mJy sample

A. Polatidis, I.W.A. Browne, M. Bondi, M.J.M. Marcha, S. Anton

arxiv:astro-ph/0404606 v2 · 2004-04-30 · 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{VG22UJZ6QZN6U2K4TBET56Q5H3}

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	2026-05-18T01:55:24.710184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b5aa273e865bea695c98493efa1d3ec0659b002f26f206e43cfbc9d1f36667

Aliases

arxiv: astro-ph/0404606 · arxiv_version: astro-ph/0404606v2 · doi: 10.48550/arxiv.astro-ph/0404606 · pith_short_12: VG22UJZ6QZN6 · pith_short_16: VG22UJZ6QZN6U2K4 · pith_short_8: VG22UJZ6

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/VG22UJZ6QZN6U2K4TBET56Q5H3 \
  | 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: a9b5aa273e865bea695c98493efa1d3ec0659b002f26f206e43cfbc9d1f36667

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ff617599ac09cfc9a13d99be3a19b8c86a9615bfbf4b8b8cb951c04e43cbd4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-30T14:36:53Z",
    "title_canon_sha256": "218abeaa642fd91bfe144e6eaa61b87542ec69093d206ec77c9aaaac9668985a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404606",
    "kind": "arxiv",
    "version": 2
  }
}