Pith Number

pith:7FNDWVTG

pith:2013:7FNDWVTGUMDHCNCRPRMOSL6G2K

not attested not anchored not stored refs pending

Bound entangled states with a private key and their classical counterpart

Graeme Smith, John A. Smolin, Maris Ozols

arxiv:1305.0848 v2 · 2013-05-03 · quant-ph · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FNDWVTGUMDHCNCRPRMOSL6G2K}

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	2026-05-18T02:54:21.492576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95a3b5666a3067134517c58e92fc6d29119c37a3ff6664d8dd26990a5c5c5d1

Aliases

arxiv: 1305.0848 · arxiv_version: 1305.0848v2 · doi: 10.48550/arxiv.1305.0848 · pith_short_12: 7FNDWVTGUMDH · pith_short_16: 7FNDWVTGUMDHCNCR · pith_short_8: 7FNDWVTG

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/7FNDWVTGUMDHCNCRPRMOSL6G2K \
  | 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: f95a3b5666a3067134517c58e92fc6d29119c37a3ff6664d8dd26990a5c5c5d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97bd707b9f71f1c5d599428dbdaa2f22aa70f79a15e74d5a8e7e7fe7f3ab9106",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-03T22:10:53Z",
    "title_canon_sha256": "292f188e1b8767c779459108640a4b813e079dd106354fde23e2ea188545d5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0848",
    "kind": "arxiv",
    "version": 2
  }
}