Pith Number

pith:NPYBJEEO

pith:2018:NPYBJEEOS4DHRWUGFHFGFV62QJ

not attested not anchored not stored refs pending

Numerical attoclock on atomic and molecular hydrogen

Alexander W. Bray, Anatoli S. Kheifets, Vladislav V. Serov

arxiv:1812.09386 v2 · 2018-12-21 · 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{NPYBJEEOS4DHRWUGFHFGFV62QJ}

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	2026-05-17T23:41:45.500507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf014908e970678da8629ca62d7da82576ec0b9445bc62192ab3958c24609e9

Aliases

arxiv: 1812.09386 · arxiv_version: 1812.09386v2 · doi: 10.48550/arxiv.1812.09386 · pith_short_12: NPYBJEEOS4DH · pith_short_16: NPYBJEEOS4DHRWUG · pith_short_8: NPYBJEEO

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/NPYBJEEOS4DHRWUGFHFGFV62QJ \
  | 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: 6bf014908e970678da8629ca62d7da82576ec0b9445bc62192ab3958c24609e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b37b323781918005c1afe0fbcbf5358820bd0a08f6ada19edf3bc101e6aeeff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-12-21T21:55:42Z",
    "title_canon_sha256": "53f76f83e977ce2c4bce15f272b112f78f4d1da1cda0055817d0ad9511afd6c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09386",
    "kind": "arxiv",
    "version": 2
  }
}