Pith Number

pith:GTFNMM5B

pith:2013:GTFNMM5BI4EIYGWLKVXM2LNPSV

not attested not anchored not stored refs pending

Two-photon laser spectroscopy of antiprotonic helium and the antiproton-to-electron mass ratio

Andreas Dax, Anna S\'ot\'er, Bertalan Juh\'asz, Daniel Barna, Dezs\"o Horv\'ath, Eberhard Widmann, Luca Venturelli, Masaki Hori, Nicola Zurlo, Ryugo Hayano, Susanne Friedreich, Thomas Pask

arxiv:1304.4330 v2 · 2013-04-16 · physics.atom-ph · hep-ex · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTFNMM5BI4EIYGWLKVXM2LNPSV}

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	2026-05-18T03:21:43.073944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34cad633a147088c1acb556ecd2daf9552ab82cabad1742d8e2845e2fce12e4c

Aliases

arxiv: 1304.4330 · arxiv_version: 1304.4330v2 · doi: 10.48550/arxiv.1304.4330 · pith_short_12: GTFNMM5BI4EI · pith_short_16: GTFNMM5BI4EIYGWL · pith_short_8: GTFNMM5B

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/GTFNMM5BI4EIYGWLKVXM2LNPSV \
  | 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: 34cad633a147088c1acb556ecd2daf9552ab82cabad1742d8e2845e2fce12e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a3b6d285cef0690ae569e24c239e535c937f69100f8b4bcd214f17b95e17e09",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-04-16T05:20:42Z",
    "title_canon_sha256": "19d7877e2bfbac45b0be2c850e0660d74f9073e6f0f1bc70e8b7d0799a0ffded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4330",
    "kind": "arxiv",
    "version": 2
  }
}