Pith Number

pith:GFXZS4KS

pith:2015:GFXZS4KSJ3FTEOWGPADUJQRQQK

not attested not anchored not stored refs pending

Parametric frequency fusion by inverse four-wave mixing

Thibaut Sylvestre

arxiv:1509.04886 v1 · 2015-09-16 · 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{GFXZS4KSJ3FTEOWGPADUJQRQQK}

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	2026-05-18T01:32:51.420552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

316f9971524ecb323ac6780744c23082a4ff4da89176ce11e5963600d6927640

Aliases

arxiv: 1509.04886 · arxiv_version: 1509.04886v1 · doi: 10.48550/arxiv.1509.04886 · pith_short_12: GFXZS4KSJ3FT · pith_short_16: GFXZS4KSJ3FTEOWG · pith_short_8: GFXZS4KS

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/GFXZS4KSJ3FTEOWGPADUJQRQQK \
  | 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: 316f9971524ecb323ac6780744c23082a4ff4da89176ce11e5963600d6927640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7832f28ab5d983b0afdeb17dbbccc536ceca01f8f74385998b3420b04d28808",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-16T11:14:32Z",
    "title_canon_sha256": "3d4c8b7f9c561de528f58157d732619461c3f648766689f4a39b25f7bcc45eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04886",
    "kind": "arxiv",
    "version": 1
  }
}