Pith Number
pith:YJ6L2M7B
pith:2009:YJ6L2M7B67HBXXSV4OD7ON5JWS
not attested
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not stored
refs pending
Spectral classification of emission-line galaxies from the Sloan Digital Sky Survey. I. An improved classification for high redshift galaxies
arxiv:0910.4814 v1 · 2009-10-26 · astro-ph.CO
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YJ6L2M7B67HBXXSV4OD7ON5JWS}
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Record completeness
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Bitcoin timestamp
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4
Citations
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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.
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Receipt and verification
| First computed | 2026-05-18T02:11:11.522708Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
c27cbd33e1f7ce1bde55e387f737a9b4a65fa06ae9ee0b60ee9d29c081f56e6c
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YJ6L2M7B67HBXXSV4OD7ON5JWS \
| 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: c27cbd33e1f7ce1bde55e387f737a9b4a65fa06ae9ee0b60ee9d29c081f56e6c
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "b6279ddad9dfa0d09b02dfcd97e2ff63015f9c2da8f1a823f77609d3e3ff34f7",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.CO",
"submitted_at": "2009-10-26T07:03:03Z",
"title_canon_sha256": "765dae3f92d2f0dc6b5341fb68419ec327492f1e45d0a374d9f6ff8fead0db80"
},
"schema_version": "1.0",
"source": {
"id": "0910.4814",
"kind": "arxiv",
"version": 1
}
}