Pith Number

pith:ZH5PHXT7

pith:2019:ZH5PHXT7UTKNW5ZCATTPP6UDQV

not attested not anchored not stored refs pending

Separated Schmidt modes in the angular spectrum of biphotons

A. Cavanna, F. Just, K. G. Katamadze, M. V. Chekhova, N. A. Borshchevskaia

arxiv:1905.07134 v1 · 2019-05-17 · 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{ZH5PHXT7UTKNW5ZCATTPP6UDQV}

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	2026-05-17T23:39:43.591369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9faf3de7fa4d4db772204e6f7fa83856c4b3a21fb7a3102538cb3666b86056a

Aliases

arxiv: 1905.07134 · arxiv_version: 1905.07134v1 · doi: 10.48550/arxiv.1905.07134 · pith_short_12: ZH5PHXT7UTKN · pith_short_16: ZH5PHXT7UTKNW5ZC · pith_short_8: ZH5PHXT7

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/ZH5PHXT7UTKNW5ZCATTPP6UDQV \
  | 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: c9faf3de7fa4d4db772204e6f7fa83856c4b3a21fb7a3102538cb3666b86056a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6df58a58d2b6474bfd49c6ccdff51ae74e90a2a74aa880fcc17889fd18dbbf1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-17T07:17:04Z",
    "title_canon_sha256": "44c8cc0a4777c9f22c3298b374e8a664d3af85b50aa1adb75df9f165b7d8dab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07134",
    "kind": "arxiv",
    "version": 1
  }
}