Pith Number

pith:TOAYK4SD

pith:2005:TOAYK4SDIA4473O2WC2Y23GVCA

not attested not anchored not stored refs pending

Random subspaces for encryption based on a private shared Cartesian frame

Patrick Hayden, Robert W. Spekkens, Stephen D. Bartlett

arxiv:quant-ph/0506260 v2 · 2005-06-29 · 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{TOAYK4SDIA4473O2WC2Y23GVCA}

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	2026-07-04T14:50:41.946483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b818572434039cfeddab0b58d6cd5103f7155ac385b96a56ad4c0cdc5aeecf2

Aliases

arxiv: quant-ph/0506260 · arxiv_version: quant-ph/0506260v2 · doi: 10.48550/arxiv.quant-ph/0506260 · pith_short_12: TOAYK4SDIA44 · pith_short_16: TOAYK4SDIA4473O2 · pith_short_8: TOAYK4SD

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/TOAYK4SDIA4473O2WC2Y23GVCA \
  | 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: 9b818572434039cfeddab0b58d6cd5103f7155ac385b96a56ad4c0cdc5aeecf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10bae7634a8c35c0750a69762f0eeb78695e71ce05135cddc52fb07abba604aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-06-29T19:14:33Z",
    "title_canon_sha256": "e37fb212222ecff920f22c5bbac8412cfbb4ea174b8de0822e4f31eb23f4072f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0506260",
    "kind": "arxiv",
    "version": 2
  }
}