Pith Number

pith:MAPPOYCP

pith:2004:MAPPOYCPITWBHCP6W6BSEGT6UR

not attested not anchored not stored refs pending

Extremal Entanglement For Triqubit Pure States

Dan Liu, Feng Pan, Guoying Lu, J. P. Draayer

arxiv:quant-ph/0408005 v3 · 2004-08-01 · 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{MAPPOYCPITWBHCP6W6BSEGT6UR}

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	2026-07-04T14:46:39.433722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

601ef7604f44ec1389feb783221a7ea44ec04a89d8eaec4564497d6d51676c42

Aliases

arxiv: quant-ph/0408005 · arxiv_version: quant-ph/0408005v3 · doi: 10.48550/arxiv.quant-ph/0408005 · pith_short_12: MAPPOYCPITWB · pith_short_16: MAPPOYCPITWBHCP6 · pith_short_8: MAPPOYCP

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/MAPPOYCPITWBHCP6W6BSEGT6UR \
  | 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: 601ef7604f44ec1389feb783221a7ea44ec04a89d8eaec4564497d6d51676c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e907bb13a2982f2b8a39537e5c14e14d16acfbe64fd025815a0b87bc6826f66",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-08-01T15:27:01Z",
    "title_canon_sha256": "eddcb644c49d3c867dcd46a155e224d615136876bb43a04727a111119154181a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0408005",
    "kind": "arxiv",
    "version": 3
  }
}