Pith Number

pith:DU4TN5ZM

pith:2000:DU4TN5ZMXIRKP42W3KR54BJQUA

not attested not anchored not stored refs pending

On the Entangling Power of Quantum Evolutions

Christof Zalka (1), Lara Faoro (2) ((1) ISI Foundation, Paolo Zanardi (1), Politecnico di Torino), Torino (2) Dipartimento di Fisica Politecnico di Torino Unit\`a INFM

arxiv:quant-ph/0005031 v1 · 2000-05-08 · 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{DU4TN5ZMXIRKP42W3KR54BJQUA}

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	2026-05-18T04:21:21.650122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3936f72cba22a7f356daa3de0530a01b3ca3df70e981e01f4356492e8aeebd

Aliases

arxiv: quant-ph/0005031 · arxiv_version: quant-ph/0005031v1 · doi: 10.48550/arxiv.quant-ph/0005031 · pith_short_12: DU4TN5ZMXIRK · pith_short_16: DU4TN5ZMXIRKP42W · pith_short_8: DU4TN5ZM

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/DU4TN5ZMXIRKP42W3KR54BJQUA \
  | 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: 1d3936f72cba22a7f356daa3de0530a01b3ca3df70e981e01f4356492e8aeebd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a820ce172e6039356fb74c068200d5831e7cac0d87f9ead7747ad0c109bbdc4f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-05-08T14:08:55Z",
    "title_canon_sha256": "4f0f3c434c8f8291b1a522032d725286c898dce2653680fdc710205288e84529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0005031",
    "kind": "arxiv",
    "version": 1
  }
}