Pith Number

pith:2ERTRZAZ

pith:2019:2ERTRZAZLE2GYKH4DBP7N4FFUI

not attested not anchored not stored refs pending

Hamiltonian preserving nonlinear optics

S.S. Baturin

arxiv:1908.03520 v4 · 2019-08-09 · physics.acc-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{2ERTRZAZLE2GYKH4DBP7N4FFUI}

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	2026-07-05T04:42:11.959579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12338e41959346c28fc185ff6f0a5a23cc123c21b693fbdfbbd78fc859b3a13

Aliases

arxiv: 1908.03520 · arxiv_version: 1908.03520v4 · doi: 10.48550/arxiv.1908.03520 · pith_short_12: 2ERTRZAZLE2G · pith_short_16: 2ERTRZAZLE2GYKH4 · pith_short_8: 2ERTRZAZ

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/2ERTRZAZLE2GYKH4DBP7N4FFUI \
  | 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: d12338e41959346c28fc185ff6f0a5a23cc123c21b693fbdfbbd78fc859b3a13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d346a2766ab100b7a26975bef7505e0c579a721fbb8320104121ad0fc7df55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2019-08-09T16:19:43Z",
    "title_canon_sha256": "97f9690a63611df01f9eda438ab7697c738eee683c7ef33520c01d62b37003d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03520",
    "kind": "arxiv",
    "version": 4
  }
}