Pith Number

pith:LRI6U4NM

pith:2015:LRI6U4NMZEPIWQBK2HS5JRMUXR

not attested not anchored not stored refs pending

Experiments towards resolving the proton charge radius puzzle

A. Antognini, A. J. Dax, A. Knecht, A. L. Gouvea, A. Voss, B. Franke, B. Weichelt, C. I. Szabo, C. M. B. Monteiro, D. S. Covita, D. Taqqu, F. Biraben, F. D. Amaro, F. Kottmann, F. Mulhauser, F. Nez, J. F. C. A. Veloso, J. G\"otzfried, J. J. Krauth, J. Machado, J. M. F. dos Santos, J. P. Santos, K. Kirch, K. Schuhmann, L. Julien, L. M. P. Fernandes, M. Abdou-Ahmed, M. Diepold, M. Hildebrandt, P. Amaro, P. Indelicato, R. Pohl, S. Galtier, T. Graf, T.-L. Chen, T. W. H\"ansch, Y.-W. Liu

arxiv:1509.03235 v2 · 2015-09-10 · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRI6U4NMZEPIWQBK2HS5JRMUXR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:16:48.778298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c51ea71acc91e8b402ad1e5d4c594bc629085a69dd1e2c4149ccb8faf801375

Aliases

arxiv: 1509.03235 · arxiv_version: 1509.03235v2 · doi: 10.48550/arxiv.1509.03235 · pith_short_12: LRI6U4NMZEPI · pith_short_16: LRI6U4NMZEPIWQBK · pith_short_8: LRI6U4NM

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/LRI6U4NMZEPIWQBK2HS5JRMUXR \
  | 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: 5c51ea71acc91e8b402ad1e5d4c594bc629085a69dd1e2c4149ccb8faf801375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242636d57a54a40fc4216f0ab68fe7e545c6a2b9bede94a1d2928a88343c4644",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-09-10T17:18:37Z",
    "title_canon_sha256": "60e292240c3eea31801d1242b9da3d81735e1db33e4b750bfce968b394145348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03235",
    "kind": "arxiv",
    "version": 2
  }
}