Pith Number

pith:O7IF45BM

pith:2013:O7IF45BMJMR4J6SV762S6WHSNV

not attested not anchored not stored refs pending

Quasi-phase-matching of high-order-harmonic generation using multimode polarization beating

Kevin O'Keeffe, Lewis Z. Liu, Simon M. Hooker

arxiv:1302.5272 v1 · 2013-02-21 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7IF45BMJMR4J6SV762S6WHSNV}

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	2026-05-18T03:32:58.225974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d05e742c4b23c4fa55ffb52f58f26d5670b5640055013ec1df67115960f32a

Aliases

arxiv: 1302.5272 · arxiv_version: 1302.5272v1 · doi: 10.48550/arxiv.1302.5272 · pith_short_12: O7IF45BMJMR4 · pith_short_16: O7IF45BMJMR4J6SV · pith_short_8: O7IF45BM

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/O7IF45BMJMR4J6SV762S6WHSNV \
  | 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: 77d05e742c4b23c4fa55ffb52f58f26d5670b5640055013ec1df67115960f32a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dfddca7b248c44eb24669f28371e65f16227db643b1e98ebf4579a17872e5da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-02-21T13:17:10Z",
    "title_canon_sha256": "cc6e9fb75481916082970bba37dbc1b55d58026532e10e84fb66f8b7abf9b466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5272",
    "kind": "arxiv",
    "version": 1
  }
}