Pith Number

pith:EDJJUR2G

pith:2018:EDJJUR2GCBIKFQN5EO72KGVLX7

not attested not anchored not stored refs pending

Probing the geometry of two-qubit state space by evolution

Andrij Kuzmak, Andrzej M. Frydryszak, Maria Gieysztor

arxiv:1809.00731 v1 · 2018-09-03 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EDJJUR2GCBIKFQN5EO72KGVLX7}

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	2026-05-17T23:43:43.114954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d29a47461050a2c1bd23bfa51aabbfd12b884747909314fb98c592be7048a5

Aliases

arxiv: 1809.00731 · arxiv_version: 1809.00731v1 · doi: 10.48550/arxiv.1809.00731 · pith_short_12: EDJJUR2GCBIK · pith_short_16: EDJJUR2GCBIKFQN5 · pith_short_8: EDJJUR2G

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/EDJJUR2GCBIKFQN5EO72KGVLX7 \
  | 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: 20d29a47461050a2c1bd23bfa51aabbfd12b884747909314fb98c592be7048a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3113cfdefa9f46d7f5c8e4fd9ed3f3e8494703100fc2009ec250af9e8d42b8a7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-03T21:51:19Z",
    "title_canon_sha256": "9404c04094086f01e52cbc41f36211a67c63999eb386141c5090f86185f2b55a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00731",
    "kind": "arxiv",
    "version": 1
  }
}