Pith Number

pith:DRM3MFTZ

pith:2026:DRM3MFTZT3Q6DALZN7NF6WNP42

not attested not anchored not stored refs pending

Experimental quantum state learning with pairs of photons

Aephraim Steinberg, Allen Kasum, Berthold-Georg Englert, C. Pria Dobney, Haru Mukumoto, Johan Henaff, Mark Hillery, Rui Jie Tang

arxiv:2606.16932 v2 · 2026-06-15 · 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{DRM3MFTZT3Q6DALZN7NF6WNP42}

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	2026-06-19T16:12:56.629642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c59b616799ee1e181796fda5f59afe693e2beaff41455736ab00fd9e3ac363e

Aliases

arxiv: 2606.16932 · arxiv_version: 2606.16932v2 · doi: 10.48550/arxiv.2606.16932 · pith_short_12: DRM3MFTZT3Q6 · pith_short_16: DRM3MFTZT3Q6DALZ · pith_short_8: DRM3MFTZ

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/DRM3MFTZT3Q6DALZN7NF6WNP42 \
  | 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: 1c59b616799ee1e181796fda5f59afe693e2beaff41455736ab00fd9e3ac363e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb8e6c1e2cf690272e7f8755e842bc099e0043b8670a26c99bd240b5598709c7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-15T16:32:36Z",
    "title_canon_sha256": "35523af1a4e29844f897faf7eb5ce746fc619fa2ecb4dd30c17c47c734133f8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.16932",
    "kind": "arxiv",
    "version": 2
  }
}