Pith Number

pith:GYZ3FISH

pith:2026:GYZ3FISHBQGXHUZQIBOC65EDMJ

not attested not anchored not stored refs pending

Generating quantum entanglement from sunlight

Cheng Li, Hanieh Fattahi, Jasvinder Brar, Jeremy Upham, Michael K\"ublb\"ock, Robert W. Boyd

arxiv:2602.15655 v2 · 2026-02-17 · quant-ph · 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{GYZ3FISHBQGXHUZQIBOC65EDMJ}

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	2026-05-20T00:02:09.723947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3633b2a2470c0d73d330405c2f7483627f2a6e52f399b3e75c19ef3b337cc0ef

Aliases

arxiv: 2602.15655 · arxiv_version: 2602.15655v2 · doi: 10.48550/arxiv.2602.15655 · pith_short_12: GYZ3FISHBQGX · pith_short_16: GYZ3FISHBQGXHUZQ · pith_short_8: GYZ3FISH

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/GYZ3FISHBQGXHUZQIBOC65EDMJ \
  | 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: 3633b2a2470c0d73d330405c2f7483627f2a6e52f399b3e75c19ef3b337cc0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03d264c53d367acc5ea723829a0942381539c17e863a08a9315178ab058112a5",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-02-17T15:30:09Z",
    "title_canon_sha256": "794c6e1cf78d583538838dcb4dd91a4545aa88a015202dce0a298d20afb6eb9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.15655",
    "kind": "arxiv",
    "version": 2
  }
}