Pith Number

pith:L5UOQRG7

pith:2009:L5UOQRG7XBTVS3XMDFEWX2LMBY

not attested not anchored not stored refs pending

High speed photometry of faint cataclysmic variables - VI. Car2, V1040 Cen, Ha 075648, IL Nor (Nova Nor 1893), HS Pup (Nova Pup 1963), SDSS J2048-06, CSS 081419-005022 and CSS 112634-100210

Brian Warner, Patrick A. Woudt

arxiv:0912.4656 v1 · 2009-12-23 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L5UOQRG7XBTVS3XMDFEWX2LMBY}

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	2026-05-18T02:10:14.158069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f68e844dfb867596eec19496be96c0e0e91053449bff21db7ea4d1a2e30655a

Aliases

arxiv: 0912.4656 · arxiv_version: 0912.4656v1 · doi: 10.48550/arxiv.0912.4656 · pith_short_12: L5UOQRG7XBTV · pith_short_16: L5UOQRG7XBTVS3XM · pith_short_8: L5UOQRG7

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/L5UOQRG7XBTVS3XMDFEWX2LMBY \
  | 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: 5f68e844dfb867596eec19496be96c0e0e91053449bff21db7ea4d1a2e30655a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6bc341c0dcf3a3639258bfe50834389a4c3cb417ba48805017afec0487e54be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-23T14:48:35Z",
    "title_canon_sha256": "1dfe526372650a472997f8a7157970d19b5819bb7c8a5e423c7b7e345c913f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4656",
    "kind": "arxiv",
    "version": 1
  }
}