Pith Number

pith:AXVJW36R

pith:2009:AXVJW36R3VRQKZAIDIMQTFI3KL

not attested not anchored not stored refs pending

Experimental Determination of Entanglement for Arbitrary Pure States

Kai Chen, Ming-Jing Zhao, Shao-Ming Fei, Zhi-Xi Wang

arxiv:0909.4851 v1 · 2009-09-26 · 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{AXVJW36R3VRQKZAIDIMQTFI3KL}

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	2026-05-18T02:11:37.316631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05ea9b6fd1dd630564081a1909951b52fea0fc980e140695c247e485b4561a99

Aliases

arxiv: 0909.4851 · arxiv_version: 0909.4851v1 · doi: 10.48550/arxiv.0909.4851 · pith_short_12: AXVJW36R3VRQ · pith_short_16: AXVJW36R3VRQKZAI · pith_short_8: AXVJW36R

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/AXVJW36R3VRQKZAIDIMQTFI3KL \
  | 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: 05ea9b6fd1dd630564081a1909951b52fea0fc980e140695c247e485b4561a99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5efaa960e244d08ddd63436e518b8a43325a39983be699cb5a534e750b05af23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-26T09:15:50Z",
    "title_canon_sha256": "5d7df747deb2c9c10177d243c12ad374e04e46bdb50d6fc6357ddec805acbea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4851",
    "kind": "arxiv",
    "version": 1
  }
}