Pith Number

pith:D7P5M6VD

pith:2019:D7P5M6VDCJAM6E4FM5ZSETTFUB

not attested not anchored not stored refs pending

The proton charge radius extracted from the Initial State Radiation experiment at MAMI

Achim Denig, Adrian B. Weber, Alexey Tyukin, Anselm Esser, Bj\"orn S. Schlimme, Concettina Sfienti, Damir Bosnar, Duncan G. Middleton, Florian Schulz, Harald Merkel, Helene Fonvieille, Ivica Fri\v{s}\v{c}i\'c, Jan C. Bernauer, Jan M. Friedrich, Josef Pochodzalla, Jure Beri\v{c}i\v{c}, Keith Griffioen, Loup Correa, Luka Debenjak, Marc Vanderhaeghen, Maria I. Ferretti Bondy, Matteo Cardinali, Matthias Hoek, Matthias Schoth, Michaela Thiel, Michael O. Distler, Miha Mihovilovi\v{c}, Patrick Achenbach, Ralph B\"ohm, Samo \v{S}tajner, Simon Kegel, Simon \v{S}irca, Tobias Beranek, Ulrich M\"uller, Yvonne Kohl

arxiv:1905.11182 v1 · 2019-05-27 · 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{D7P5M6VDCJAM6E4FM5ZSETTFUB}

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	2026-05-17T23:45:02.718753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fdfd67aa31240cf13856773224e65a05e3897d362158da7cc5c15c61620c290

Aliases

arxiv: 1905.11182 · arxiv_version: 1905.11182v1 · doi: 10.48550/arxiv.1905.11182 · pith_short_12: D7P5M6VDCJAM · pith_short_16: D7P5M6VDCJAM6E4F · pith_short_8: D7P5M6VD

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/D7P5M6VDCJAM6E4FM5ZSETTFUB \
  | 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: 1fdfd67aa31240cf13856773224e65a05e3897d362158da7cc5c15c61620c290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e886dee6217dd9c9c8e9223b6213a4814e5b1b0924632aa0d6d7948ac1ef2715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-05-27T13:05:30Z",
    "title_canon_sha256": "a4630bac3e7e2073687593ee524f93065f4012db3eee4a762cfb514245dcab91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11182",
    "kind": "arxiv",
    "version": 1
  }
}