Pith Number

pith:NRPVLAIP

pith:2015:NRPVLAIPNRMGZYMXBGPFKDDPWZ

not attested not anchored not stored refs pending

Quantum State Smoothing

Howard Wiseman, Ivonne Guevara

arxiv:1503.02799 v3 · 2015-03-10 · 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{NRPVLAIPNRMGZYMXBGPFKDDPWZ}

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	2026-05-18T00:45:54.621058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5f55810f6c586ce197099e550c6fb658f8597961cf1df08697826b400a16f0

Aliases

arxiv: 1503.02799 · arxiv_version: 1503.02799v3 · doi: 10.48550/arxiv.1503.02799 · pith_short_12: NRPVLAIPNRMG · pith_short_16: NRPVLAIPNRMGZYMX · pith_short_8: NRPVLAIP

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/NRPVLAIPNRMGZYMXBGPFKDDPWZ \
  | 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: 6c5f55810f6c586ce197099e550c6fb658f8597961cf1df08697826b400a16f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956aaa1167dc6111d8aeda451495a821253837daf45f55cbd688b1bcd03fe52b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-10T07:45:06Z",
    "title_canon_sha256": "9955be8c5b800168303332231e90c1a00fd3f12bc9749a92775d830786ba2269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02799",
    "kind": "arxiv",
    "version": 3
  }
}