Pith Number

pith:26N4ZOKS

pith:2005:26N4ZOKSH6D755U6N57VZAL6KV

not attested not anchored not stored refs pending

Radio-quiet objects in the 2QZ survey

B.J.Boyle, L.Miller, M.Wals, P.Outram, R.Smith, S.M. Croom, T.Shanks

arxiv:astro-ph/0502401 v1 · 2005-02-21 · 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{26N4ZOKSH6D755U6N57VZAL6KV}

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	2026-05-18T04:27:04.322976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d79bccb9523f87fef69e6f7f5c817e55791907eb72049b6ad0e717fc32e3226b

Aliases

arxiv: astro-ph/0502401 · arxiv_version: astro-ph/0502401v1 · doi: 10.48550/arxiv.astro-ph/0502401 · pith_short_12: 26N4ZOKSH6D7 · pith_short_16: 26N4ZOKSH6D755U6 · pith_short_8: 26N4ZOKS

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/26N4ZOKSH6D755U6N57VZAL6KV \
  | 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: d79bccb9523f87fef69e6f7f5c817e55791907eb72049b6ad0e717fc32e3226b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62f6df03ac1e8008cc680149f173def32272d87165b223d566dbc2e4349a32b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-21T05:08:08Z",
    "title_canon_sha256": "9f59f13d88347cf041a3cb48ca5d7be41d55f300ecc545379cec75fbdfcf2b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502401",
    "kind": "arxiv",
    "version": 1
  }
}