Pith Number

pith:ZBB5BKVO

pith:2000:ZBB5BKVOM27NIVIMXK72JZP2IS

not attested not anchored not stored refs pending

Active Galactic Nuclei in the CNOC2 Field Galaxy Redshift Survey

Charles W. Shepherd, David R. Patton, Gregory D. Wirth, H. K. C. Yee, Huan Lin, Marcin Sawicki, Patrick B. Hall, R. G. Carlberg, Richard Elston, Simon L. Morris

arxiv:astro-ph/0007167 v1 · 2000-07-12 · 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{ZBB5BKVOM27NIVIMXK72JZP2IS}

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	2026-07-04T16:16:53.830662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c843d0aaae66bed4550cbabfa4e5fa44b2bd29a8385265d6553295fe50b19c19

Aliases

arxiv: astro-ph/0007167 · arxiv_version: astro-ph/0007167v1 · doi: 10.48550/arxiv.astro-ph/0007167 · pith_short_12: ZBB5BKVOM27N · pith_short_16: ZBB5BKVOM27NIVIM · pith_short_8: ZBB5BKVO

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/ZBB5BKVOM27NIVIMXK72JZP2IS \
  | 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: c843d0aaae66bed4550cbabfa4e5fa44b2bd29a8385265d6553295fe50b19c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c0061cf8e3d4b695cfaf7ebcdb464835f8a18ae28892ce96cad3dfb877c70c1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-12T15:34:58Z",
    "title_canon_sha256": "4435307d820e217ae3ecd11454babc3a16c2efac3c06f462a3a27b7738e4178c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007167",
    "kind": "arxiv",
    "version": 1
  }
}