Pith Number

pith:BMN33J5T

pith:2019:BMN33J5T6IBG4WW52PHROZZR7J

not attested not anchored not stored refs pending

Joint Schmidt-type decomposition for two bipartite pure quantum states

Christopher Eltschka, Jens Siewert

arxiv:1907.07976 v2 · 2019-07-18 · 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{BMN33J5T6IBG4WW52PHROZZR7J}

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	2026-07-05T00:40:34.555219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1bbda7b3f2026e5addd3cf176731fa62322798f1343e628767421032c395c4

Aliases

arxiv: 1907.07976 · arxiv_version: 1907.07976v2 · doi: 10.48550/arxiv.1907.07976 · pith_short_12: BMN33J5T6IBG · pith_short_16: BMN33J5T6IBG4WW5 · pith_short_8: BMN33J5T

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/BMN33J5T6IBG4WW52PHROZZR7J \
  | 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: 0b1bbda7b3f2026e5addd3cf176731fa62322798f1343e628767421032c395c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75eed2db9b0f42e397ff9a8e4e53a07fb22acf8b22fe760022361ac3e9233438",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-18T10:43:37Z",
    "title_canon_sha256": "b4feb2fb65e6ba373e5d25a8295614bd57bb05aef74c0e9c3abff5487785d1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07976",
    "kind": "arxiv",
    "version": 2
  }
}