Pith Number
pith:PJUP2HJH
pith:2013:PJUP2HJH5GXJXJXGRKX5B4S3WB
not attested
not anchored
not stored
refs pending
Nitrogen isotopic ratios in Barnard 1: a consistent study of the N2H+, NH3, CN, HCN and HNC isotopologues
arxiv:1309.5782 v1 · 2013-09-23 · astro-ph.GA
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PJUP2HJH5GXJXJXGRKX5B4S3WB}
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 | 2026-05-18T01:47:34.310216Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
7a68fd1d27e9ae9ba6e68aafd0f25bb0734fc854c402fd24e2b8ab9ee8040041
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PJUP2HJH5GXJXJXGRKX5B4S3WB \
| 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: 7a68fd1d27e9ae9ba6e68aafd0f25bb0734fc854c402fd24e2b8ab9ee8040041
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "ffcad2445cae49854d00fdc871771a1a35dc4f5a83749d526396b6d0a9f82a78",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.GA",
"submitted_at": "2013-09-23T12:11:01Z",
"title_canon_sha256": "02a93faf0343f176b0bf46fcb3245ea5ad21795d9ff65ba16c6cae62c6cd484c"
},
"schema_version": "1.0",
"source": {
"id": "1309.5782",
"kind": "arxiv",
"version": 1
}
}