Pith Number

pith:AYGQMHVF

pith:2017:AYGQMHVF3IWQAFKYZFNUOABIUV

not attested not anchored not stored refs pending

Experimental entangled photon pair generation using crystals with parallel optical axes

Aitor Villar, Alexander Ling, Alexander Lohrmann

arxiv:1711.01045 v2 · 2017-11-03 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYGQMHVF3IWQAFKYZFNUOABIUV}

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	2026-05-18T00:15:20.300012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

060d061ea5da2d001558c95b470028a56f9effee418d60b866257c8166752b8d

Aliases

arxiv: 1711.01045 · arxiv_version: 1711.01045v2 · doi: 10.48550/arxiv.1711.01045 · pith_short_12: AYGQMHVF3IWQ · pith_short_16: AYGQMHVF3IWQAFKY · pith_short_8: AYGQMHVF

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/AYGQMHVF3IWQAFKYZFNUOABIUV \
  | 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: 060d061ea5da2d001558c95b470028a56f9effee418d60b866257c8166752b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf944e558458e55c1b122e3b609d8dbe727d35ba75284b8901b5b94666c57bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-03T07:38:15Z",
    "title_canon_sha256": "576956f626cd01820dc8de75c82d2d2afdc79fc7454de7bc2e2228ec210e69b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01045",
    "kind": "arxiv",
    "version": 2
  }
}