Pith Number

pith:IFXH44NO

pith:2017:IFXH44NOFNOXYMFAD6T2VSHYHB

not attested not anchored not stored refs pending

Adaptive estimation of a time-varying phase with coherent states: smoothing can give an unbounded improvement over filtering

Dominic W. Berry, Hossien T. Dinani, Howard M. Wiseman, Kiarn T. Laverick

arxiv:1710.08548 v1 · 2017-10-23 · 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{IFXH44NOFNOXYMFAD6T2VSHYHB}

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	2026-05-18T00:17:19.017957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416e7e71ae2b5d7c30a01fa7aac8f8386febaa013f791dc6c37f63b2aeedb39e

Aliases

arxiv: 1710.08548 · arxiv_version: 1710.08548v1 · doi: 10.48550/arxiv.1710.08548 · pith_short_12: IFXH44NOFNOX · pith_short_16: IFXH44NOFNOXYMFA · pith_short_8: IFXH44NO

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/IFXH44NOFNOXYMFAD6T2VSHYHB \
  | 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: 416e7e71ae2b5d7c30a01fa7aac8f8386febaa013f791dc6c37f63b2aeedb39e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37646fa6638c03632345de85b995cca10f2d7081b20392807a803e9063879056",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-23T23:21:01Z",
    "title_canon_sha256": "bb2a05103db2ada1f8ccdf29a7298f48874a151bc068dc50b06dfb6880c5c0bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08548",
    "kind": "arxiv",
    "version": 1
  }
}