Pith Number

pith:LJV4ANAB

pith:2011:LJV4ANABSQXQPNG4YU54RPKVQW

not attested not anchored not stored refs pending

First observation of two hyperfine transitions in antiprotonic He-3

A. Dax, A. S\'ot\'er, B. Juh\'asz, D. Barna, D. Horv\'ath, E. Widmann, F. Caspers, J. Zmeskal, K. Todoroki, M. Hori, O. Massiczek, R. S. Hayano, S. Friedreich, T. Kobayashi

arxiv:1102.5286 v2 · 2011-02-25 · 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{LJV4ANABSQXQPNG4YU54RPKVQW}

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	2026-05-18T04:22:10.977175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a6bc03401942f07b4dcc53bc8bd558592d18988b78d255065e96db5538a062e

Aliases

arxiv: 1102.5286 · arxiv_version: 1102.5286v2 · doi: 10.48550/arxiv.1102.5286 · pith_short_12: LJV4ANABSQXQ · pith_short_16: LJV4ANABSQXQPNG4 · pith_short_8: LJV4ANAB

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/LJV4ANABSQXQPNG4YU54RPKVQW \
  | 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: 5a6bc03401942f07b4dcc53bc8bd558592d18988b78d255065e96db5538a062e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8650fd3287dc472fa6fb3d9e0dbcb4ce88be3ad4df9da0c556bf73f2c0baf19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-02-25T16:37:27Z",
    "title_canon_sha256": "c77516b224b4ca614d3ea6bae151f370c684380353c234f50dc01b7be299cc55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5286",
    "kind": "arxiv",
    "version": 2
  }
}