Pith Number

pith:MHXM4FO2

pith:2014:MHXM4FO2EU42ZBH4NQKVXYU7PN

not attested not anchored not stored refs pending

The envelope Hamiltonian for electron interaction with ultrashort pulses

Jan M. Rost, Koudai Toyota, Ulf Saalmann

arxiv:1408.4541 v1 · 2014-08-20 · 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{MHXM4FO2EU42ZBH4NQKVXYU7PN}

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	2026-05-18T00:26:40.341806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61eece15da2539ac84fc6c155be29f7b64a534ec864659f507d129f256a4d15b

Aliases

arxiv: 1408.4541 · arxiv_version: 1408.4541v1 · doi: 10.48550/arxiv.1408.4541 · pith_short_12: MHXM4FO2EU42 · pith_short_16: MHXM4FO2EU42ZBH4 · pith_short_8: MHXM4FO2

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/MHXM4FO2EU42ZBH4NQKVXYU7PN \
  | 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: 61eece15da2539ac84fc6c155be29f7b64a534ec864659f507d129f256a4d15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de89e44a7a3201a62ea7b5a1d1ce63d3f85632c3aafde41d65ef069dd5159c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-08-20T06:39:10Z",
    "title_canon_sha256": "9504dda8f5c161e272a40f3cb870fcedc32094073ff5989030db7cbda53dfa66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4541",
    "kind": "arxiv",
    "version": 1
  }
}