Pith Number

pith:Q54VGHIC

pith:2011:Q54VGHICWU5WTZOIHLJCNAKVLG

not attested not anchored not stored refs pending

Comment on "Nonreciprocal Light Propagation in a Silicon Photonic Circuit" in Science 333, 729-733 (2011)

Alexander Petrov, Christopher R. Doerr, Dirk Jalas, Ernst Brinkmeyer, Hagen Renner, Manfred Eich, Michael Krause

arxiv:1110.5748 v1 · 2011-10-26 · physics.optics

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

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	2026-05-18T04:10:11.399147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8779531d02b53b69e5c83ad226815559901c76c43310f83bb35416df34ff079b

Aliases

arxiv: 1110.5748 · arxiv_version: 1110.5748v1 · doi: 10.48550/arxiv.1110.5748 · pith_short_12: Q54VGHICWU5W · pith_short_16: Q54VGHICWU5WTZOI · pith_short_8: Q54VGHIC

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/Q54VGHICWU5WTZOIHLJCNAKVLG \
  | 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: 8779531d02b53b69e5c83ad226815559901c76c43310f83bb35416df34ff079b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f32268a38065bcafe8a6c2377a12903b41d857a1bd71fdaa137ccf781313c42c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-10-26T09:16:25Z",
    "title_canon_sha256": "cfcff30d4df95ad8afcc1a068810002cfc83b46293cc5f57f1b4f2efcda35c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5748",
    "kind": "arxiv",
    "version": 1
  }
}