Pith Number

pith:GRMXSGMZ

pith:2013:GRMXSGMZQ5AH3N6CSDIIEHMIRF

not attested not anchored not stored refs pending

Quantum-enhanced Phase Estimation with an Amplified Bell State

Daniel F. V. James, Jaspreet Sahota

arxiv:1310.0443 v2 · 2013-10-01 · 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{GRMXSGMZQ5AH3N6CSDIIEHMIRF}

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	2026-05-18T03:03:22.674863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345979199987407db7c290d0821d8889617860c1936515dc7e4fdac5c3b0bf0a

Aliases

arxiv: 1310.0443 · arxiv_version: 1310.0443v2 · doi: 10.48550/arxiv.1310.0443 · pith_short_12: GRMXSGMZQ5AH · pith_short_16: GRMXSGMZQ5AH3N6C · pith_short_8: GRMXSGMZ

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/GRMXSGMZQ5AH3N6CSDIIEHMIRF \
  | 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: 345979199987407db7c290d0821d8889617860c1936515dc7e4fdac5c3b0bf0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53126da6052f97c5e90fc1408ec888764631a38947d386b06340cbb5e20f2a07",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-01T19:37:12Z",
    "title_canon_sha256": "3cb5a3721527de44bb2714a8eb94b66e8633579fab992039b0f103b87bad0f78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0443",
    "kind": "arxiv",
    "version": 2
  }
}