Pith Number

pith:EYODAAQK

pith:2022:EYODAAQK7PFYGWEXSFFUXQOXVR

not attested not anchored not stored refs pending

Encoding information in the mutual coherence of spatially separated light beams

Alfonso Nardi, Andrei Militaru, Felix Tebbenjohanns, Lukas Novotny, Martin Frimmer, Massimiliano Rossi, Shawn Divitt

arxiv:2208.01364 v1 · 2022-08-02 · physics.optics · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYODAAQK7PFYGWEXSFFUXQOXVR}

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	2026-07-05T04:57:15.726832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

261c30020afbcb835897914b4bc1d7ac424fe307ec5f1f17545166ff9f0283d7

Aliases

arxiv: 2208.01364 · arxiv_version: 2208.01364v1 · doi: 10.48550/arxiv.2208.01364 · pith_short_12: EYODAAQK7PFY · pith_short_16: EYODAAQK7PFYGWEX · pith_short_8: EYODAAQK

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/EYODAAQK7PFYGWEXSFFUXQOXVR \
  | 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: 261c30020afbcb835897914b4bc1d7ac424fe307ec5f1f17545166ff9f0283d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de33b3b608296e627cc0ff26df579d76485bd88caf247afc77bdccdb80cdf3d8",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-08-02T11:12:51Z",
    "title_canon_sha256": "b0758c656ea941bf61fa79e4364592522562ea20b11ec69ca6189f6cc69126ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01364",
    "kind": "arxiv",
    "version": 1
  }
}