Pith Number
pith:HAHAKS7K
pith:2009:HAHAKS7KCHDH3Y4IHVZA5QSAP6
not attested
not anchored
not stored
refs pending
A Neutron Star with a Carbon Atmosphere in the Cassiopeia A Supernova Remnant
arxiv:0911.0672 v1 · 2009-11-04 · astro-ph.HE · astro-ph.GA
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HAHAKS7KCHDH3Y4IHVZA5QSAP6}
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.
Cited by
Receipt and verification
| First computed | 2026-05-18T04:26:54.175009Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
380e054bea11c67de3883d720ec2407fafb301602321036a6b2b22ad2678c4ab
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HAHAKS7KCHDH3Y4IHVZA5QSAP6 \
| 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: 380e054bea11c67de3883d720ec2407fafb301602321036a6b2b22ad2678c4ab
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "d8eccd92615a83b7532482dc9b2fc06da5e8172ae16ab0d65e69330cfbf9831a",
"cross_cats_sorted": [
"astro-ph.GA"
],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.HE",
"submitted_at": "2009-11-04T09:25:07Z",
"title_canon_sha256": "4db6cdd069be158d71717bfd964d8e1fbb8fc78133ca7e0a8a0c7d59789b27a0"
},
"schema_version": "1.0",
"source": {
"id": "0911.0672",
"kind": "arxiv",
"version": 1
}
}