Pith Number

pith:LAPF3S7F

pith:2000:LAPF3S7FN3RSTHNNTPEEQ3BFKD

not attested not anchored not stored refs pending

An excess of submm sources near 4C41.17: a candidate proto-cluster at z=3.8?

Arjun Dey (NOAO), Ian Smail (Durham), James R. Graham (Berkeley), James S. Dunlop (Edinburgh), Michael C. Liu (Berkeley), Rob J. Ivison (UCL)

arxiv:astro-ph/0005234 v1 · 2000-05-10 · 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{LAPF3S7FN3RSTHNNTPEEQ3BFKD}

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	2026-07-04T16:16:38.871349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

581e5dcbe56ee3299dad9bc8486c2550f16c7fcffe0a90e1efde290442a6c563

Aliases

arxiv: astro-ph/0005234 · arxiv_version: astro-ph/0005234v1 · doi: 10.48550/arxiv.astro-ph/0005234 · pith_short_12: LAPF3S7FN3RS · pith_short_16: LAPF3S7FN3RSTHNN · pith_short_8: LAPF3S7F

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/LAPF3S7FN3RSTHNNTPEEQ3BFKD \
  | 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: 581e5dcbe56ee3299dad9bc8486c2550f16c7fcffe0a90e1efde290442a6c563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24f223ef9dfd3e055403f873705f22d93f7c8c1c0054f2bb86c3c2059a818e0b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-10T23:04:35Z",
    "title_canon_sha256": "d374c5fdab7e7105f92dbb2f8696ad94e60d11d836c626343482d1544e9a38eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005234",
    "kind": "arxiv",
    "version": 1
  }
}