Pith Number

pith:C47PFMQZ

pith:2013:C47PFMQZSLTUAYWBWVHSPMSEU3

not attested not anchored not stored refs pending

Microwave spectroscopic study of the hyperfine structure of antiprotonic helium-3

Andreas Dax, Anna S\'ot\'er, Bertalan Juh\'asz, Daniel Barna, Dezs\H{o} Horv\'ath, Eberhard Widmann, Fritz Caspers, Johann Zmeskal, Koichi Todoroki, Masaki Hori, Oswald Massiczek, Ryugo S. Hayano, Susanne Friedreich, Takumi Kobayashi

arxiv:1303.2831 v2 · 2013-03-12 · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C47PFMQZSLTUAYWBWVHSPMSEU3}

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 open · sign in to claim

4 Citations open

5 Replications open

✓ 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	2026-05-18T01:09:33.081201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173ef2b21992e74062c1b54f27b244a6efdd07c352e9aaefa3d9b9a41f5b77fe

Aliases

arxiv: 1303.2831 · arxiv_version: 1303.2831v2 · doi: 10.48550/arxiv.1303.2831 · pith_short_12: C47PFMQZSLTU · pith_short_16: C47PFMQZSLTUAYWB · pith_short_8: C47PFMQZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/C47PFMQZSLTUAYWBWVHSPMSEU3 \
  | 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: 173ef2b21992e74062c1b54f27b244a6efdd07c352e9aaefa3d9b9a41f5b77fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e6ed668f21c55852219d33224d77164b114fa55b229e867fe96dab78c44032",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-03-12T10:38:29Z",
    "title_canon_sha256": "9413985499a40b7c64b6d094af8c85f4f02ea98c43b577ae5d6b1952fc0288b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2831",
    "kind": "arxiv",
    "version": 2
  }
}