Pith Number

pith:IIWENDWJ

pith:2016:IIWENDWJL6KDXJNUX4BDLP2MFI

not attested not anchored not stored refs pending

Extraction of the proton charge radius from experiments

M. Nowakowski, N. G. Kelkar, T. Mart

arxiv:1609.04456 v1 · 2016-09-14 · hep-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIWENDWJL6KDXJNUX4BDLP2MFI}

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	2026-05-18T01:04:36.661252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

422c468ec95f943ba5b4bf0235bf4c2a10472a2afab06735108726898fe85a52

Aliases

arxiv: 1609.04456 · arxiv_version: 1609.04456v1 · doi: 10.48550/arxiv.1609.04456 · pith_short_12: IIWENDWJL6KD · pith_short_16: IIWENDWJL6KDXJNU · pith_short_8: IIWENDWJ

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/IIWENDWJL6KDXJNUX4BDLP2MFI \
  | 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: 422c468ec95f943ba5b4bf0235bf4c2a10472a2afab06735108726898fe85a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337c9b7f6a867888189bcf84081e7b614f65df3754ffceef1825e2074bb58127",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2016-09-14T22:09:32Z",
    "title_canon_sha256": "8ce3a0784bdda200ce9d120e7fa081a5ed7480c408c5c2210a4ca26b0b8e66fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04456",
    "kind": "arxiv",
    "version": 1
  }
}