Pith Number

pith:FUSODFQ6

pith:2019:FUSODFQ6YJSRMGFPORK5TT4EAZ

not attested not anchored not stored refs pending

Theory of nonlinear interactions between x rays and optical radiation in crystals

Ron Cohen, Sharon Shwartz

arxiv:1909.01662 v1 · 2019-09-04 · physics.optics · cond-mat.other · quant-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{FUSODFQ6YJSRMGFPORK5TT4EAZ}

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	2026-07-05T00:23:44.020379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d24e1961ec2651618af7455d9cf84064f2d0c62b8114ba2da7a1f128bf0e8cb

Aliases

arxiv: 1909.01662 · arxiv_version: 1909.01662v1 · doi: 10.48550/arxiv.1909.01662 · pith_short_12: FUSODFQ6YJSR · pith_short_16: FUSODFQ6YJSRMGFP · pith_short_8: FUSODFQ6

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/FUSODFQ6YJSRMGFPORK5TT4EAZ \
  | 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: 2d24e1961ec2651618af7455d9cf84064f2d0c62b8114ba2da7a1f128bf0e8cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e259f5b7c4dd36fb2fbf0ef668cc7a4a411c8e14d9135d055c18fa40e0f22f78",
    "cross_cats_sorted": [
      "cond-mat.other",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-04T09:49:52Z",
    "title_canon_sha256": "fc2796c1a6a078b336882a835a0b994f9716aaae6998c86db6e98907b7023f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01662",
    "kind": "arxiv",
    "version": 1
  }
}