Pith Number

pith:JNL3ZFYV

pith:2005:JNL3ZFYVW4HAA235WIXEDWEFKG

not attested not anchored not stored refs pending

Are all maximally entangled states pure?

Daniel Cavalcanti, Fernando G.S.L. Brandao, Marcelo O. Terra Cunha

arxiv:quant-ph/0505121 v7 · 2005-05-16 · 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{JNL3ZFYVW4HAA235WIXEDWEFKG}

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.

Cited by

1 paper in Pith

Harmony for 2-Qubit Entanglement

Receipt and verification

First computed	2026-05-18T03:15:03.810240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b57bc9715b70e006b7db22e41d8855184cd6c85be86019169f70301b7642c8e

Aliases

arxiv: quant-ph/0505121 · arxiv_version: quant-ph/0505121v7 · doi: 10.48550/arxiv.quant-ph/0505121 · pith_short_12: JNL3ZFYVW4HA · pith_short_16: JNL3ZFYVW4HAA235 · pith_short_8: JNL3ZFYV

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/JNL3ZFYVW4HAA235WIXEDWEFKG \
  | 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: 4b57bc9715b70e006b7db22e41d8855184cd6c85be86019169f70301b7642c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "526e03f13dccda7a0beddc7c5e504414fd07834aed49c09aa0ca014f8646a987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-16T21:40:32Z",
    "title_canon_sha256": "75ccb79d28a3cf32799ec17396b76265eae7a3a1c3c94af90a356f41b0bd5134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505121",
    "kind": "arxiv",
    "version": 7
  }
}