Pith Number

pith:C4NNOGHA

pith:1999:C4NNOGHASTFQRWWPHFGXFTPGVC

not attested not anchored not stored refs pending

A Search for CMB Decrements Towards Distant Cluster Candidates PC1643+4631 and VLA1312+4237 at 28.5 GHz

E.D. Reese, J.E. Carlstrom, L. Grego, M. Joy, W.L. Holzapfel

arxiv:astro-ph/9912009 v1 · 1999-12-01 · 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{C4NNOGHASTFQRWWPHFGXFTPGVC}

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	2026-05-18T01:40:12.364257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

171ad718e094cb08dacf394d72cde6a8b0465f3e723761e5f3d2c7503c58b869

Aliases

arxiv: astro-ph/9912009 · arxiv_version: astro-ph/9912009v1 · doi: 10.48550/arxiv.astro-ph/9912009 · pith_short_12: C4NNOGHASTFQ · pith_short_16: C4NNOGHASTFQRWWP · pith_short_8: C4NNOGHA

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/C4NNOGHASTFQRWWPHFGXFTPGVC \
  | 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: 171ad718e094cb08dacf394d72cde6a8b0465f3e723761e5f3d2c7503c58b869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d9ae094619b43482056b6841c81de92c65e005d4dc4273047d391edf46ccbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-01T05:24:39Z",
    "title_canon_sha256": "921d2877184bcd6a8d74423dcf4526e8e0c60629c9e48a121e345d3c9abc8ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912009",
    "kind": "arxiv",
    "version": 1
  }
}