Pith Number
pith:OEYWOETV
pith:2017:OEYWOETVWZASEDIVWQSADPWU47
not attested
not anchored
not stored
refs pending
Time resolved 2 million year old supernova activity discovered in Earth's microfossil record
arxiv:1710.09573 v1 · 2017-10-26 · astro-ph.SR · astro-ph.EP
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OEYWOETVWZASEDIVWQSADPWU47}
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
· sign in to
claim
4
Citations
5
Replications
✓
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 | 2026-05-18T00:31:56.869683Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
7131671275b641220d15b42401bed4e7ce441d8a16d64befd8312230b4f1806a
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OEYWOETVWZASEDIVWQSADPWU47 \
| 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: 7131671275b641220d15b42401bed4e7ce441d8a16d64befd8312230b4f1806a
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "9163324de06310e24d18a56cde2da61d3746650a4a5b4266ab3388c7f7e0b69a",
"cross_cats_sorted": [
"astro-ph.EP"
],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.SR",
"submitted_at": "2017-10-26T07:55:48Z",
"title_canon_sha256": "5135d41ef24382b4607f67d0cd9968a1450678daf8c55a0245fad12554a1a6d4"
},
"schema_version": "1.0",
"source": {
"id": "1710.09573",
"kind": "arxiv",
"version": 1
}
}