Pith Number

pith:Q3GRQ2ZF

pith:2015:Q3GRQ2ZF63FEGF473HIQEG7PKP

not attested not anchored not stored refs pending

Cascaded half-harmonic generation of femtosecond frequency combs in mid-IR

Alireza Marandi, Kirk A. Ingold, Marc Jankowski, Robert L. Byer

arxiv:1510.03744 v1 · 2015-10-13 · 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{Q3GRQ2ZF63FEGF473HIQEG7PKP}

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	2026-05-18T01:30:16.265270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86cd186b25f6ca43179fd9d1021bef53c8d358606b1b9d7e640e35d83e5d8248

Aliases

arxiv: 1510.03744 · arxiv_version: 1510.03744v1 · doi: 10.48550/arxiv.1510.03744 · pith_short_12: Q3GRQ2ZF63FE · pith_short_16: Q3GRQ2ZF63FEGF47 · pith_short_8: Q3GRQ2ZF

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/Q3GRQ2ZF63FEGF473HIQEG7PKP \
  | 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: 86cd186b25f6ca43179fd9d1021bef53c8d358606b1b9d7e640e35d83e5d8248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb98b3f8b891055620e84b3026ef3e4ff5c6bff5902a52e86ec9980ba71e76b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-13T15:36:35Z",
    "title_canon_sha256": "4a0bb3cca74ad108309b1cc1f1b0ff838cc0f9aeade1d3912ec3f6092952d44a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03744",
    "kind": "arxiv",
    "version": 1
  }
}