Pith Number
pith:QPA3JM4M
pith:2019:QPA3JM4ME3ZBWI4N7LD5ZZK4OH
not attested
not anchored
not stored
refs pending
First observation of 20B and 21B
arxiv:1901.00455 v1 · 2019-01-02 · nucl-ex · nucl-th
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QPA3JM4ME3ZBWI4N7LD5ZZK4OH}
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 | 2026-05-17T23:57:03.795784Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
83c1b4b38c26f21b238dfac7dce55c71e983b35863ebeca86841ce757959e1e2
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QPA3JM4ME3ZBWI4N7LD5ZZK4OH \
| 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: 83c1b4b38c26f21b238dfac7dce55c71e983b35863ebeca86841ce757959e1e2
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "d5e5528ec064b9666db7d83844058d0309e17e491c4185cc39dd2113607e376f",
"cross_cats_sorted": [
"nucl-th"
],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "nucl-ex",
"submitted_at": "2019-01-02T17:33:51Z",
"title_canon_sha256": "53ab16c3f955a5eb2134bcbfcfc949198599ebfc2e374b5ea190a5ef760f0107"
},
"schema_version": "1.0",
"source": {
"id": "1901.00455",
"kind": "arxiv",
"version": 1
}
}