Pith Number

pith:FQFITIS4

pith:2022:FQFITIS4NOMVASCNG2VDQXTBDJ

not attested not anchored not stored refs pending

Quantum metrology timing limits of the Hong-Ou-Mandel interferometer and of general two-photon measurements

Jeff S. Lundeen, Kyle M. Jordan, Raphael A. Abrahao

arxiv:2206.11387 v2 · 2022-06-22 · 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{FQFITIS4NOMVASCNG2VDQXTBDJ}

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	2026-07-05T05:28:45.810527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c0a89a25c6b9950484d36aa385e611a5690b5b219a27f649da54432906143c4

Aliases

arxiv: 2206.11387 · arxiv_version: 2206.11387v2 · doi: 10.48550/arxiv.2206.11387 · pith_short_12: FQFITIS4NOMV · pith_short_16: FQFITIS4NOMVASCN · pith_short_8: FQFITIS4

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/FQFITIS4NOMVASCNG2VDQXTBDJ \
  | 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: 2c0a89a25c6b9950484d36aa385e611a5690b5b219a27f649da54432906143c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "173dd2e23039b25deec5be7ee380cec3a554ad05569aa88ff9e135b746e53cad",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-22T21:10:33Z",
    "title_canon_sha256": "b481c7d2bca64c1dea6fff528f9d71f4ef8044520bdac39e8f80697ba6686db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.11387",
    "kind": "arxiv",
    "version": 2
  }
}