Pith Number

pith:P2RSY3FG

pith:2015:P2RSY3FGREPS2CPKDSFCLCTW5R

not attested not anchored not stored refs pending

Nonlinear generalized source method for modeling second-harmonic generation in diffraction gratings

Dominic F. G. Gallagher, Martin Weismann, Nicolae C. Panoiu

arxiv:1501.06974 v1 · 2015-01-28 · 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{P2RSY3FGREPS2CPKDSFCLCTW5R}

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	2026-05-18T01:41:06.239079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea32c6ca6891f2d09ea1c8a258a76ec5c83ea43c88086cc07b3f22b321ed387

Aliases

arxiv: 1501.06974 · arxiv_version: 1501.06974v1 · doi: 10.48550/arxiv.1501.06974 · pith_short_12: P2RSY3FGREPS · pith_short_16: P2RSY3FGREPS2CPK · pith_short_8: P2RSY3FG

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/P2RSY3FGREPS2CPKDSFCLCTW5R \
  | 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: 7ea32c6ca6891f2d09ea1c8a258a76ec5c83ea43c88086cc07b3f22b321ed387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba3ae4bcc3fc496a4592341de149a421bf68666140647851eddd8ad129b694e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-01-28T02:19:35Z",
    "title_canon_sha256": "8c13055efdfdb247c97938bb5c6b4e2d447c48722c5481f70779e24a588315e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06974",
    "kind": "arxiv",
    "version": 1
  }
}