Pith Number

pith:IB6H4E2P

pith:2011:IB6H4E2PW6NVPU4FOBMF6GSXPC

not attested not anchored not stored refs pending

Quantum Filtering for Systems Driven by Fields in Single Photon States and Superposition of Coherent States using Non-Markovian Embeddings

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

arxiv:1107.2974 v1 · 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{IB6H4E2PW6NVPU4FOBMF6GSXPC}

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	2026-05-18T04:18:14.950572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407c7e134fb79b57d38570585f1a5778b08aa59f5fc8956d4e81bd8a7c7a4206

Aliases

arxiv: 1107.2974 · arxiv_version: 1107.2974v1 · doi: 10.48550/arxiv.1107.2974 · pith_short_12: IB6H4E2PW6NV · pith_short_16: IB6H4E2PW6NVPU4F · pith_short_8: IB6H4E2P

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/IB6H4E2PW6NVPU4FOBMF6GSXPC \
  | 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: 407c7e134fb79b57d38570585f1a5778b08aa59f5fc8956d4e81bd8a7c7a4206

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "822232beb0d6453587cdc971717a7eef7f6d3c0b1dc73433ee85c288e6269cfd",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-15T00:39:41Z",
    "title_canon_sha256": "fc493623cadc08679f2819e4823e4fe8863d9fad5019934cd157a89cd308d725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2974",
    "kind": "arxiv",
    "version": 1
  }
}