Pith Number

pith:YXXV465H

pith:2015:YXXV465HBLHXTCGQY3FNCJLZDZ

not attested not anchored not stored refs pending

Breakdown of the expansion of finite-size corrections to the hydrogen Lamb shift in moments of charge distribution

Franziska Hagelstein, JGU Mainz), Vladimir Pascalutsa (KPH

arxiv:1502.03721 v2 · 2015-02-12 · hep-ph · nucl-th · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXXV465HBLHXTCGQY3FNCJLZDZ}

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	2026-05-18T02:17:42.445839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ef5e7ba70acf7988d0c6cad125791e63ba98f1e61c47a6aaafc3f98b852151

Aliases

arxiv: 1502.03721 · arxiv_version: 1502.03721v2 · doi: 10.48550/arxiv.1502.03721 · pith_short_12: YXXV465HBLHX · pith_short_16: YXXV465HBLHXTCGQ · pith_short_8: YXXV465H

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/YXXV465HBLHXTCGQY3FNCJLZDZ \
  | 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: c5ef5e7ba70acf7988d0c6cad125791e63ba98f1e61c47a6aaafc3f98b852151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a4ca91d513d509d3c36a31f2b094129db98ddad9104ddb133d5fdda94d8b41",
    "cross_cats_sorted": [
      "nucl-th",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-02-12T16:35:26Z",
    "title_canon_sha256": "7bfce50a5076f2ae4fc9c3d19e62ffeb310572f7174cd4fa6d726f43d564e5bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03721",
    "kind": "arxiv",
    "version": 2
  }
}