Pith Number

pith:XIBP4YNC

pith:2015:XIBP4YNC4JKRUG6NOHAP74WCBK

not attested not anchored not stored refs pending

Nonlinear Michelson interferometer for improved quantum metrology

Alfredo Luis, \'Angel Rivas

arxiv:1504.05314 v2 · 2015-04-21 · 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{XIBP4YNC4JKRUG6NOHAP74WCBK}

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	2026-05-18T01:35:30.346683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba02fe61a2e2551a1bcd71c0fff2c20a86f31ac510f6ed12a1dc8b62376678d9

Aliases

arxiv: 1504.05314 · arxiv_version: 1504.05314v2 · doi: 10.48550/arxiv.1504.05314 · pith_short_12: XIBP4YNC4JKR · pith_short_16: XIBP4YNC4JKRUG6N · pith_short_8: XIBP4YNC

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/XIBP4YNC4JKRUG6NOHAP74WCBK \
  | 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: ba02fe61a2e2551a1bcd71c0fff2c20a86f31ac510f6ed12a1dc8b62376678d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e179934ba8f65877be2ac919ddfa16d5e3002095d546a5c6329089c4f086cea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-21T05:36:49Z",
    "title_canon_sha256": "2a66e8d0e24be5bcfc12926379a7e0aea2a41bda4a81be64948fa966c40ec85c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05314",
    "kind": "arxiv",
    "version": 2
  }
}