pith. sign in
Pith Number

pith:67VQXAZH

pith:2012:67VQXAZHAFNPJQTTKF2JM2PZC2
not attested not anchored not stored refs pending

Phase estimation by photon counting measurements in the output of a linear Mach Zehnder (MZI) interferometer

Y. Ben-Aryeh

arxiv:1205.4816 v1 · 2012-05-22 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{67VQXAZHAFNPJQTTKF2JM2PZC2}

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 2026-05-18T01:57:24.664603Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f7eb0b8327015af4c27351749669f916bd985a45152474274278662cf0d00427

Aliases

arxiv: 1205.4816 · arxiv_version: 1205.4816v1 · doi: 10.48550/arxiv.1205.4816 · pith_short_12: 67VQXAZHAFNP · pith_short_16: 67VQXAZHAFNPJQTT · pith_short_8: 67VQXAZH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/67VQXAZHAFNPJQTTKF2JM2PZC2 \
  | 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: f7eb0b8327015af4c27351749669f916bd985a45152474274278662cf0d00427
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ee9815c9351d9043447ce1de11b074cedc148537efe5b0586ec1a874d4e3391f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-22T06:29:20Z",
    "title_canon_sha256": "147c77ed755ee0e0309332e7da1b1ab9f436eaff1ecf42ee872b92b7d577cbb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4816",
    "kind": "arxiv",
    "version": 1
  }
}