Pith Number

pith:FUMZUDC4

pith:2021:FUMZUDC4Q6Q5TCUP5FEACIIJVG

not attested not anchored not stored refs pending

Asymmetric high energy dual optical parametric amplifier for parametric processes and waveform synthesis

Brandin Davis, Carlos A. Trallero-Herrero, Tobias Saule

arxiv:2102.05721 v1 · 2021-02-10 · 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{FUMZUDC4Q6Q5TCUP5FEACIIJVG}

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	2026-07-05T02:14:21.761481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d199a0c5c87a1d98a8fe948012109a9a58bdd369f09b04fa18c3af1d647ad09

Aliases

arxiv: 2102.05721 · arxiv_version: 2102.05721v1 · doi: 10.48550/arxiv.2102.05721 · pith_short_12: FUMZUDC4Q6Q5 · pith_short_16: FUMZUDC4Q6Q5TCUP · pith_short_8: FUMZUDC4

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/FUMZUDC4Q6Q5TCUP5FEACIIJVG \
  | 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: 2d199a0c5c87a1d98a8fe948012109a9a58bdd369f09b04fa18c3af1d647ad09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a3025a5344b19d8386138b417a6ce35893fa4fdbf08e8c0af03dad0fac241f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-02-10T20:05:23Z",
    "title_canon_sha256": "5e89b4558ff1931422061b11445b7c2c24b51740b6543be143010aa9c4ca298e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05721",
    "kind": "arxiv",
    "version": 1
  }
}