Pith Number

pith:NTCQ5T63

pith:2007:NTCQ5T63MTPRZPBIBHAPPOD6WK

not attested not anchored not stored refs pending

Entanglement of Subspaces and Error Correcting Codes

Gilad Gour, Nolan R. Wallach

arxiv:0704.0251 v2 · 2007-04-02 · 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{NTCQ5T63MTPRZPBIBHAPPOD6WK}

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	2026-05-18T04:09:24.271372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc50ecfdb64df1cbc2809c0f7b87eb2bfc3a7712012270d62ea1cbb06a85ea0

Aliases

arxiv: 0704.0251 · arxiv_version: 0704.0251v2 · doi: 10.48550/arxiv.0704.0251 · pith_short_12: NTCQ5T63MTPR · pith_short_16: NTCQ5T63MTPRZPBI · pith_short_8: NTCQ5T63

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/NTCQ5T63MTPRZPBIBHAPPOD6WK \
  | 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: 6cc50ecfdb64df1cbc2809c0f7b87eb2bfc3a7712012270d62ea1cbb06a85ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627cd665c3bb135aa7a955545123d52404f801246f3ac7ab98920525f3aad56a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-04-02T17:55:47Z",
    "title_canon_sha256": "be35b5e0ca1be250711f8fd41ad17849f3129e8aaa4b28df7c348640c968b1e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0251",
    "kind": "arxiv",
    "version": 2
  }
}