Pith Number
pith:VJGVCTRY
pith:2013:VJGVCTRYJXMJNW6ZZQXV3FMGSE
not attested
not anchored
not stored
refs pending
Observation of Markarian 421 in TeV gamma rays over a 14-year time span
arxiv:1310.8150 v1 · 2013-10-30 · astro-ph.HE · astro-ph.CO
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VJGVCTRYJXMJNW6ZZQXV3FMGSE}
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
✓
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 | 2026-05-18T01:46:47.298274Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
aa4d514e384dd896dbd9cc2f5d958691192c20c81aebea98ada1437558c205a8
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VJGVCTRYJXMJNW6ZZQXV3FMGSE \
| 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: aa4d514e384dd896dbd9cc2f5d958691192c20c81aebea98ada1437558c205a8
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "5b3ecdab6e6c3b6564e5f927dc5eb04a35eb7d9401c4d42233ee5180d5356103",
"cross_cats_sorted": [
"astro-ph.CO"
],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.HE",
"submitted_at": "2013-10-30T13:37:13Z",
"title_canon_sha256": "ce44652c7da18327745a5e67d4370eeb76f5a6c09fc15f47df97c41893cf3c63"
},
"schema_version": "1.0",
"source": {
"id": "1310.8150",
"kind": "arxiv",
"version": 1
}
}