Pith Number
pith:4PCNJVGD
pith:2001:4PCNJVGDHIRXSVNQKQ2K6OZB5V
not attested
not anchored
not stored
refs pending
The 2dF Galaxy Redshift Survey: constraints on cosmic star-formation history from the cosmic spectrum
arxiv:astro-ph/0110676 v2 · 2001-10-30 · astro-ph
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4PCNJVGDHIRXSVNQKQ2K6OZB5V}
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 | 2026-05-18T04:27:05.326664Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
e3c4d4d4c33a237955b05434af3b21ed5f5a9f9ea8af038c88a5b7d462468a9a
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4PCNJVGDHIRXSVNQKQ2K6OZB5V \
| 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: e3c4d4d4c33a237955b05434af3b21ed5f5a9f9ea8af038c88a5b7d462468a9a
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "ded2e60d58f83b46f5b69d799beae01dfb1191fbd30d50dc00ed70831ad94579",
"cross_cats_sorted": [],
"license": "",
"primary_cat": "astro-ph",
"submitted_at": "2001-10-30T21:56:33Z",
"title_canon_sha256": "832bdfba47734f2cbe290be5e79008c7472d194920441692fc780151c2c954bf"
},
"schema_version": "1.0",
"source": {
"id": "astro-ph/0110676",
"kind": "arxiv",
"version": 2
}
}