Pith Number

pith:YF4FOGX5

pith:2018:YF4FOGX55NBWCQND36SE2XNTR4

not attested not anchored not stored refs pending

On observation of dispersion in tunable second-order nonlinearities of silicon-rich nitride thin films

Alex Friedman, Benjamin M. Cromey, Felipe Vallini, Hung-Hsi Lin, Khanh Kieu, Matthew W. Puckett, Rajat Sharma, Yeshaiahu Fainman

arxiv:1808.07587 v1 · 2018-08-22 · 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{YF4FOGX55NBWCQND36SE2XNTR4}

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	2026-05-18T00:07:26.844060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c178571afdeb436141a3dfa44d5db38f1170d6cc9e599643aae9fb7837330072

Aliases

arxiv: 1808.07587 · arxiv_version: 1808.07587v1 · doi: 10.48550/arxiv.1808.07587 · pith_short_12: YF4FOGX55NBW · pith_short_16: YF4FOGX55NBWCQND · pith_short_8: YF4FOGX5

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/YF4FOGX55NBWCQND36SE2XNTR4 \
  | 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: c178571afdeb436141a3dfa44d5db38f1170d6cc9e599643aae9fb7837330072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49e6c3e40a2d52ce961a3cd62f5eb37100dbfee16dc2c89bef460136b116b6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-08-22T23:13:45Z",
    "title_canon_sha256": "beed52d8e6abc58e260e1263aba005d744e0dc6893869c1428e5c63f55fed39c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07587",
    "kind": "arxiv",
    "version": 1
  }
}