Pith Number

pith:7SXRMOJT

pith:2018:7SXRMOJTH4SDF4XWPDF4FDWMVQ

not attested not anchored not stored refs pending

A monolithic frequency comb platform based on interband cascade lasers and detectors

Aaron Maxwell Andrews, Anne Schade, Benedikt Schwarz, Gottfried Strasser, Hermann Detz, Johannes Hillbrand, Maximilian Beiser, Robert Weih, Sven H\"ofling

arxiv:1812.03879 v1 · 2018-12-10 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SXRMOJTH4SDF4XWPDF4FDWMVQ}

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	2026-05-17T23:58:43.683071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcaf1639333f2432f2f678cbc28eccac006520ba58356910ca59dfeb66ff26df

Aliases

arxiv: 1812.03879 · arxiv_version: 1812.03879v1 · doi: 10.48550/arxiv.1812.03879 · pith_short_12: 7SXRMOJTH4SD · pith_short_16: 7SXRMOJTH4SDF4XW · pith_short_8: 7SXRMOJT

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/7SXRMOJTH4SDF4XWPDF4FDWMVQ \
  | 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: fcaf1639333f2432f2f678cbc28eccac006520ba58356910ca59dfeb66ff26df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781c5351ea025f99f11d0b4fe61386eee7777175c6337708527408bfa97e9012",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-10T15:35:57Z",
    "title_canon_sha256": "96749c6459755b2f0414e14433cee64e52d7644fb5a48632e29596c35049f818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03879",
    "kind": "arxiv",
    "version": 1
  }
}