Pith Number

pith:Q42NEL4I

pith:2018:Q42NEL4IDVOVMRLV4RF6T27GOJ

not attested not anchored not stored refs pending

Necessary and sufficient condition for the existence of Schmidt decomposition in multipartite Hilbert spaces

Goutam Paul, Spandan Das

arxiv:1805.12274 v1 · 2018-05-31 · 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{Q42NEL4IDVOVMRLV4RF6T27GOJ}

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	2026-05-18T00:14:30.804600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8734d22f881d5d564575e44be9ebe6727a4409b8109ac72d561701e33a30dff1

Aliases

arxiv: 1805.12274 · arxiv_version: 1805.12274v1 · doi: 10.48550/arxiv.1805.12274 · pith_short_12: Q42NEL4IDVOV · pith_short_16: Q42NEL4IDVOVMRLV · pith_short_8: Q42NEL4I

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/Q42NEL4IDVOVMRLV4RF6T27GOJ \
  | 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: 8734d22f881d5d564575e44be9ebe6727a4409b8109ac72d561701e33a30dff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c39ee769ee41be1213904a76d9c2f8240fe655a376c2869db6199a284f1eb39d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-31T00:54:43Z",
    "title_canon_sha256": "33c9006665d520d38de60fb61c55f3734f43ac4e732f323c1be64f3553ee83f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12274",
    "kind": "arxiv",
    "version": 1
  }
}