Pith Number
pith:G4ZZF7QQ
pith:2009:G4ZZF7QQDIARZQ2Y23KQKIWUZN
not attested
not anchored
not stored
refs pending
On the Anticorrelation Between Galaxy Light Concentration and X-ray-to-Optical Flux Ratio
arxiv:0907.5099 v1 · 2009-07-29 · astro-ph.CO
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{G4ZZF7QQDIARZQ2Y23KQKIWUZN}
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
· sign in to
claim
4
Citations
5
Replications
✓
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 | 2026-05-18T02:12:46.629104Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
373392fe101a011cc358d6d50522d4cb6edc80db0aa049cb20d49862226a0b62
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/G4ZZF7QQDIARZQ2Y23KQKIWUZN \
| 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: 373392fe101a011cc358d6d50522d4cb6edc80db0aa049cb20d49862226a0b62
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "217bb03053cc07d99d1224433b8156b6a8291436dcd44957c9e8fcbb2fd1e7a5",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.CO",
"submitted_at": "2009-07-29T12:52:01Z",
"title_canon_sha256": "db8c61ba239a7b597b07fafa56e7d28d0f4b59747bc93b26e40be7836d542aa0"
},
"schema_version": "1.0",
"source": {
"id": "0907.5099",
"kind": "arxiv",
"version": 1
}
}