Pith Number
pith:SD7THKHD
pith:2009:SD7THKHD3VEBAFHC3DBJ6XB5MX
not attested
not anchored
not stored
refs pending
Evolution of the Early-Type Galaxy Fraction in Clusters since z = 0.8
arxiv:0910.1612 v1 · 2009-10-08 · astro-ph.CO
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SD7THKHD3VEBAFHC3DBJ6XB5MX}
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
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claim
4
Citations
5
Replications
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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 | 2026-05-18T02:11:25.354429Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
90ff33a8e3dd481014e2d8c29f5c3d65ebc2cb5419d4078156fd4f572c9d9fc2
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SD7THKHD3VEBAFHC3DBJ6XB5MX \
| 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: 90ff33a8e3dd481014e2d8c29f5c3d65ebc2cb5419d4078156fd4f572c9d9fc2
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "cc5385c6feb363714094b0096dd90ea9e805a9a425cd8465d5ac79546c1d9739",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.CO",
"submitted_at": "2009-10-08T20:48:01Z",
"title_canon_sha256": "e1404ea8575d181cf9fa72bf82b97b5f39d3356e550c9c0420f8e3d8b04333e4"
},
"schema_version": "1.0",
"source": {
"id": "0910.1612",
"kind": "arxiv",
"version": 1
}
}