Pith Number

pith:GRIXXWNU

pith:2011:GRIXXWNUFTW42CU254M5S7V644

not attested not anchored not stored refs pending

Quantum Filtering (Quantum Trajectories) for Systems Driven by Fields in Single Photon States and Superposition of Coherent States

H.I. Nurdin, J.E. Gough, Joshua Combes, M.R. James

arxiv:1107.2976 v3 · 2011-07-15 · quant-ph · cs.SY · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRIXXWNUFTW42CU254M5S7V644}

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	2026-05-18T03:43:07.649808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34517bd9b42cedcd0a9aef19d97ebee70da6bf32b697152e03ce657111476ebc

Aliases

arxiv: 1107.2976 · arxiv_version: 1107.2976v3 · doi: 10.48550/arxiv.1107.2976 · pith_short_12: GRIXXWNUFTW4 · pith_short_16: GRIXXWNUFTW42CU2 · pith_short_8: GRIXXWNU

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/GRIXXWNUFTW42CU254M5S7V644 \
  | 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: 34517bd9b42cedcd0a9aef19d97ebee70da6bf32b697152e03ce657111476ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff1e86a7d8dd22760f06870ad89e7629d92c3af4b1e3dc92775010a9296909d",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-15T00:50:23Z",
    "title_canon_sha256": "5496ab0625020a8aa2c2bdb029033994f8ca6957bda150b2a552df31d1a4822b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2976",
    "kind": "arxiv",
    "version": 3
  }
}