Pith Number
pith:GWH6RJ4X
pith:2012:GWH6RJ4XDXJQDD6UM73LYWESTZ
not attested
not anchored
not stored
refs pending
IC4663: the first unambiguous [WN] Wolf-Rayet central star of a planetary nebula
arxiv:1210.0562 v1 · 2012-10-01 · astro-ph.SR
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GWH6RJ4XDXJQDD6UM73LYWESTZ}
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 | 2026-05-18T03:44:14.916726Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
358fe8a7971dd3018fd467f6bc58929e6ad1407f99605f853788557c39a84e9a
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GWH6RJ4XDXJQDD6UM73LYWESTZ \
| 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: 358fe8a7971dd3018fd467f6bc58929e6ad1407f99605f853788557c39a84e9a
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "6b66b8c22047787f5d209c200f5c37b0ee1ac839f28a5cd3c75791b91a621a23",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.SR",
"submitted_at": "2012-10-01T20:22:48Z",
"title_canon_sha256": "fdef6bef88f560bf1d3be749b6c67c55b32769921e01b0f670462b9f88b86516"
},
"schema_version": "1.0",
"source": {
"id": "1210.0562",
"kind": "arxiv",
"version": 1
}
}