pith. sign in
Pith Number

pith:2MDSDGMB

pith:2015:2MDSDGMBN4NL34OAUXJ5HHDIHW
not attested not anchored not stored refs pending

Broadband biphotons in a single spatial mode

A. V. Paterova, I. V. Dyakonov, K. G. Katamadze, N. A. Borshchevskaya, S. P. Kulik

arxiv:1504.07760 v3 · 2015-04-29 · quant-ph · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2MDSDGMBN4NL34OAUXJ5HHDIHW}

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 2026-05-18T01:35:10.223609Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d3072199816f1abdf1c0a5d3d39c683da92d83a42146c8a2946c14daf1259398

Aliases

arxiv: 1504.07760 · arxiv_version: 1504.07760v3 · doi: 10.48550/arxiv.1504.07760 · pith_short_12: 2MDSDGMBN4NL · pith_short_16: 2MDSDGMBN4NL34OA · pith_short_8: 2MDSDGMB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2MDSDGMBN4NL34OAUXJ5HHDIHW \
  | 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: d3072199816f1abdf1c0a5d3d39c683da92d83a42146c8a2946c14daf1259398
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0febe9d114c8047ebfe0c488232eb4a56e79448d758789ef8d9aef17004c2406",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-29T08:23:31Z",
    "title_canon_sha256": "3b58a72c328352cf9774d3015b978b748fe7a017d9d3d51c04c58e3bd118dbf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07760",
    "kind": "arxiv",
    "version": 3
  }
}