Pith Number

pith:6GH52ZKR

pith:2008:6GH52ZKRQ4IC5UOZHFNPLD2MXT

not attested not anchored not stored refs pending

Classification of the Entangled States of $2 \times N \times N$

Cong-Feng Qiao, Junli Li, Shuo Cheng

arxiv:0804.2291 v2 · 2008-04-15 · quant-ph · hep-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{6GH52ZKRQ4IC5UOZHFNPLD2MXT}

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	2026-07-04T17:19:54.067570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f18fdd655187102ed1d9395af58f4cbce9d15b372e749e13ba8611b2e1e0f9c4

Aliases

arxiv: 0804.2291 · arxiv_version: 0804.2291v2 · doi: 10.48550/arxiv.0804.2291 · pith_short_12: 6GH52ZKRQ4IC · pith_short_16: 6GH52ZKRQ4IC5UOZ · pith_short_8: 6GH52ZKR

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/6GH52ZKRQ4IC5UOZHFNPLD2MXT \
  | 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: f18fdd655187102ed1d9395af58f4cbce9d15b372e749e13ba8611b2e1e0f9c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e4c6f504814321a251cd0f6ff6aa24a01f8f745b4a156c354d513952f4e28f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-04-15T11:23:47Z",
    "title_canon_sha256": "3be7c71fbb2cc9c7b08d5f9b7697154ff9b61a7b72f8f4129293456e808aca8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2291",
    "kind": "arxiv",
    "version": 2
  }
}