Pith Number

pith:T5P4BDQK

pith:2011:T5P4BDQKV5TF3K6ZPRKJKGAM63

not attested not anchored not stored refs pending

Measuring the spatial extent of individual localized photonic states

Daryl M. Beggs, L. (Kobus) Kuipers, Marko Spasenovic, Philippe Lalanne, Thomas F. Krauss

arxiv:1111.5942 v1 · 2011-11-25 · 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	2026-05-18T03:39:43.689041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f5fc08e0aaf665dabd97c5495180cf6f119f437eb193d9a81f4f86530b2e4f8

Aliases

arxiv: 1111.5942 · arxiv_version: 1111.5942v1 · doi: 10.48550/arxiv.1111.5942 · pith_short_12: T5P4BDQKV5TF · pith_short_16: T5P4BDQKV5TF3K6Z · pith_short_8: T5P4BDQK

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/T5P4BDQKV5TF3K6ZPRKJKGAM63 \
  | 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: 9f5fc08e0aaf665dabd97c5495180cf6f119f437eb193d9a81f4f86530b2e4f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89687cdc57bf734ed34149ee95886dfdf50fd0a5965d4148fe6b92b3c5f5246",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-25T10:50:35Z",
    "title_canon_sha256": "dce339ec040060e2d75ef591fb05cd01b3bf20939819a359369cbbc943462768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5942",
    "kind": "arxiv",
    "version": 1
  }
}