Pith Number

pith:PWRP4HKA

pith:2017:PWRP4HKA4KSGQ35VYJ26ZZAYBJ

not attested not anchored not stored refs pending

Amplitude-flattened frequency combs in the moving photonic crystals

Hang Qu, Maksim Skorobogatiy

arxiv:1708.05418 v1 · 2017-08-17 · 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{PWRP4HKA4KSGQ35VYJ26ZZAYBJ}

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	2026-05-18T00:37:50.142069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da2fe1d40e2a4686fb5c275ece4180a6b1721630398af6803ab20b2e8879e8f

Aliases

arxiv: 1708.05418 · arxiv_version: 1708.05418v1 · doi: 10.48550/arxiv.1708.05418 · pith_short_12: PWRP4HKA4KSG · pith_short_16: PWRP4HKA4KSGQ35V · pith_short_8: PWRP4HKA

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/PWRP4HKA4KSGQ35VYJ26ZZAYBJ \
  | 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: 7da2fe1d40e2a4686fb5c275ece4180a6b1721630398af6803ab20b2e8879e8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e50ee66bc406b0acad084fedcd66a8da1792e642eb765df3a2a741deeed0c738",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-08-17T19:34:25Z",
    "title_canon_sha256": "1336da52ae194ce9a6a7c1528bf0c53b65f0d214fbf6c6cc9d0cacdaa601154e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05418",
    "kind": "arxiv",
    "version": 1
  }
}