Pith Number

pith:KQP6M6T3

pith:2018:KQP6M6T3JM3ECZV4MB3PGYHNGA

not attested not anchored not stored refs pending

Positron Beams and Two-Photon Exchange: The Key to Precision Form Factors

Jan C. Bernauer

arxiv:1804.06661 v1 · 2018-04-18 · 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{KQP6M6T3JM3ECZV4MB3PGYHNGA}

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	2026-05-18T00:13:26.173957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541fe67a7b4b364166bc6076f360ed3008f31c48f88f4558b2b766f7c7f8b306

Aliases

arxiv: 1804.06661 · arxiv_version: 1804.06661v1 · doi: 10.48550/arxiv.1804.06661 · pith_short_12: KQP6M6T3JM3E · pith_short_16: KQP6M6T3JM3ECZV4 · pith_short_8: KQP6M6T3

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/KQP6M6T3JM3ECZV4MB3PGYHNGA \
  | 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: 541fe67a7b4b364166bc6076f360ed3008f31c48f88f4558b2b766f7c7f8b306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06dbd31e2ad7e24e150f110c299142c65b816ceedc16072d483759dd6288c502",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2018-04-18T11:40:37Z",
    "title_canon_sha256": "40616f2407fc720aaaba20e1636bc68cb02b27044b65eda9263f739d29287d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06661",
    "kind": "arxiv",
    "version": 1
  }
}