Pith Number
pith:MMBW7FYY
pith:2013:MMBW7FYY7MPJD2T5POFD5PHTU3
not attested
not anchored
not stored
refs pending
High energy emission of GRB 130821A: constraining the density profile of the circum-burst medium as well as the initial Lorentz factor of the outflow
arxiv:1312.2662 v1 · 2013-12-10 · astro-ph.HE
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MMBW7FYY7MPJD2T5POFD5PHTU3}
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 | 2026-05-18T01:45:52.283536Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
63036f9718fb1e91ea7d7b8a3ebcf3a6debe983be8e773f7d9d4a0c6a745d407
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MMBW7FYY7MPJD2T5POFD5PHTU3 \
| 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: 63036f9718fb1e91ea7d7b8a3ebcf3a6debe983be8e773f7d9d4a0c6a745d407
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "ec44418b6319427039fbcae2f0d5b744fae57c3814bbe8a9cff729d733e7e358",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.HE",
"submitted_at": "2013-12-10T04:19:22Z",
"title_canon_sha256": "ce0120b99c3d437a767d96fdea6ee4c4410012410b8db7a058554e100564ba96"
},
"schema_version": "1.0",
"source": {
"id": "1312.2662",
"kind": "arxiv",
"version": 1
}
}