Pith Number

pith:33RP7KN3

pith:1995:33RP7KN3QQA743GUQZON4M46AT

not attested not anchored not stored refs pending

Faint UBVRI CCD sequences for wide-field surveys - I

B.J.Boyle, S.M.Croom, T.Shanks

arxiv:astro-ph/9504069 v1 · 1995-04-20 · 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{33RP7KN3QQA743GUQZON4M46AT}

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	2026-05-18T01:40:23.527964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dee2ffa9bb8401fe6cd4865cde339e04df9dd742c01dfbee1db7ae5ab8e9c92b

Aliases

arxiv: astro-ph/9504069 · arxiv_version: astro-ph/9504069v1 · doi: 10.48550/arxiv.astro-ph/9504069 · pith_short_12: 33RP7KN3QQA7 · pith_short_16: 33RP7KN3QQA743GU · pith_short_8: 33RP7KN3

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/33RP7KN3QQA743GUQZON4M46AT \
  | 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: dee2ffa9bb8401fe6cd4865cde339e04df9dd742c01dfbee1db7ae5ab8e9c92b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79479e4b2d53f90a09bc3aa8ead973a109d0d3bfcd7b113bbff0a46f4d6e837d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-04-20T15:04:24Z",
    "title_canon_sha256": "85839483b616ea99ed53348851464821553ac80bf4e1a5590e376313aadc8f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9504069",
    "kind": "arxiv",
    "version": 1
  }
}