Pith Number

pith:XXCZTDGI

pith:2019:XXCZTDGIKLK74ZWYYTV2OCE6XT

not attested not anchored not stored refs pending

Qubit representation of qudit states: correlations and state reconstruction

Julio A. L\'opez-Sald\'ivar, Margarita A. Man'ko, Octavio Casta\~nos, Vladimir I. Man'ko

arxiv:1905.04905 v1 · 2019-05-13 · 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{XXCZTDGIKLK74ZWYYTV2OCE6XT}

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	2026-05-17T23:44:06.846155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdc5998cc852d5fe66d8c4eba7089ebcdb04638ef9f6b4b6d2d00a152473eeb8

Aliases

arxiv: 1905.04905 · arxiv_version: 1905.04905v1 · doi: 10.48550/arxiv.1905.04905 · pith_short_12: XXCZTDGIKLK7 · pith_short_16: XXCZTDGIKLK74ZWY · pith_short_8: XXCZTDGI

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/XXCZTDGIKLK74ZWYYTV2OCE6XT \
  | 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: bdc5998cc852d5fe66d8c4eba7089ebcdb04638ef9f6b4b6d2d00a152473eeb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88c6949172d35efa6f47a78fc101bb010dbebd3f98b28765f9437c972b50785e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-13T08:18:48Z",
    "title_canon_sha256": "a53db736c45c1ae296c7066d43549bce2ef46299320b67533a481a6191d9f287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04905",
    "kind": "arxiv",
    "version": 1
  }
}