Pith Number
pith:RZHBO4WA
pith:2011:RZHBO4WA2WYNBNWXC36NLMOIZK
not attested
not anchored
not stored
refs pending
The unusual protoplanetary disk around the T Tauri star ET Cha
arxiv:1103.5309 v1 · 2011-03-28 · astro-ph.EP
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RZHBO4WA2WYNBNWXC36NLMOIZK}
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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 | 2026-05-18T02:02:44.330152Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
8e4e1772c0d5b0d0b6d716fcd5b1c8ca961f5f8cedacfb64f4141ea2d4a3e412
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RZHBO4WA2WYNBNWXC36NLMOIZK \
| 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: 8e4e1772c0d5b0d0b6d716fcd5b1c8ca961f5f8cedacfb64f4141ea2d4a3e412
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "e43786180d4a410713ab8d5b7249f1a21eb9533cb638a2d643f846d06342620a",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.EP",
"submitted_at": "2011-03-28T09:55:03Z",
"title_canon_sha256": "cb3b6ea726832237f7b2c53ae9ef972a8d2dc72de0a75ee092458ed4287d2d54"
},
"schema_version": "1.0",
"source": {
"id": "1103.5309",
"kind": "arxiv",
"version": 1
}
}