Pith Number

pith:RDP2KG5J

pith:2010:RDP2KG5J7SHZE7JIZ3EGDYNTYM

not attested not anchored not stored refs pending

Constructing entanglement witnesses for infinite-dimensional systems

Jinchuan Hou, Xiaofei Qi

arxiv:1005.5530 v2 · 2010-05-30 · math-ph · math.MP · 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{RDP2KG5J7SHZE7JIZ3EGDYNTYM}

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	2026-05-18T04:41:55.762203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88dfa51ba9fc8f927d28cec861e1b3c305cfc9cba86ba6577718f1ff746e6bf3

Aliases

arxiv: 1005.5530 · arxiv_version: 1005.5530v2 · doi: 10.48550/arxiv.1005.5530 · pith_short_12: RDP2KG5J7SHZ · pith_short_16: RDP2KG5J7SHZE7JI · pith_short_8: RDP2KG5J

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/RDP2KG5J7SHZE7JIZ3EGDYNTYM \
  | 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: 88dfa51ba9fc8f927d28cec861e1b3c305cfc9cba86ba6577718f1ff746e6bf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a569d847831f9565963d951d2eb6b6ce6313bbc5eee75541d1f39a9afb5b7e99",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-05-30T13:46:32Z",
    "title_canon_sha256": "aa5dd33b08831c8d8219b856aaf3d2da9709758d50620c0738914da0f610ce37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5530",
    "kind": "arxiv",
    "version": 2
  }
}