Pith Number

pith:HECKOX65

pith:2011:HECKOX656L7CPOBD2N523V2CS6

not attested not anchored not stored refs pending

Hydrogen Spectroscopy with a Lamb-shift Polarimeter - An Alternative Approach Towards Anti-Hydrogen Spectroscopy Experiments

A. Vasilyev, F. Rathmann, G. Schug, H. Paetz gen. Schieck, H. Str\"oher, K. Grigoryev, M. Mikirtytchiants, M.P. Westig, R. Engels

arxiv:1104.4421 v1 · 2011-04-22 · 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{HECKOX656L7CPOBD2N523V2CS6}

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	2026-05-18T04:22:21.665896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3904a75fddf2fe27b823d37badd74297ad6650ef00c5102c4cc815aa0aff014c

Aliases

arxiv: 1104.4421 · arxiv_version: 1104.4421v1 · doi: 10.48550/arxiv.1104.4421 · pith_short_12: HECKOX656L7C · pith_short_16: HECKOX656L7CPOBD · pith_short_8: HECKOX65

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/HECKOX656L7CPOBD2N523V2CS6 \
  | 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: 3904a75fddf2fe27b823d37badd74297ad6650ef00c5102c4cc815aa0aff014c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abcaad8917b14b6196f2256bbceaab197c69981514a83f70b1719bde85c435dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-04-22T11:55:43Z",
    "title_canon_sha256": "1193c4578a9f2aa6ddb458d8a164c1207cd18ad523f34bdfcea22fb214e080c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4421",
    "kind": "arxiv",
    "version": 1
  }
}