Pith Number

pith:VSVSPY2U

pith:2015:VSVSPY2UDOAPHSXAHNNSBJ57MR

not attested not anchored not stored refs pending

Volterra filters for quantum estimation and detection

Mankei Tsang

arxiv:1509.02133 v3 · 2015-09-07 · 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{VSVSPY2UDOAPHSXAHNNSBJ57MR}

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	2026-05-18T01:23:55.526115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acab27e3541b80f3cae03b5b20a7bf6471629330633bc2dea99917f881b31dcf

Aliases

arxiv: 1509.02133 · arxiv_version: 1509.02133v3 · doi: 10.48550/arxiv.1509.02133 · pith_short_12: VSVSPY2UDOAP · pith_short_16: VSVSPY2UDOAPHSXA · pith_short_8: VSVSPY2U

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/VSVSPY2UDOAPHSXAHNNSBJ57MR \
  | 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: acab27e3541b80f3cae03b5b20a7bf6471629330633bc2dea99917f881b31dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "740a0a56aa8e7a5a48ba9558a9d779594c27df4a57220cdaa1ceedd01ee392e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-07T17:34:26Z",
    "title_canon_sha256": "728a8122df24aa8c0c1dba39b195535f9317b76821063fdce05cf1fb9b13bce9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02133",
    "kind": "arxiv",
    "version": 3
  }
}