Pith Number

pith:DNYJCFCX

pith:2013:DNYJCFCXZ4VYF3I25HBMMIFZNS

not attested not anchored not stored refs pending

Efficient Quantum Polar Codes Requiring No Preshared Entanglement

David Sutter, Fr\'ed\'eric Dupuis, Joseph M. Renes, Renato Renner

arxiv:1307.1136 v3 · 2013-07-03 · 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{DNYJCFCXZ4VYF3I25HBMMIFZNS}

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	2026-05-18T01:24:39.488820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b70911457cf2b82ed1ae9c2c620b96c967bf9ccb1a4d53c654b87187c81b23d

Aliases

arxiv: 1307.1136 · arxiv_version: 1307.1136v3 · doi: 10.48550/arxiv.1307.1136 · pith_short_12: DNYJCFCXZ4VY · pith_short_16: DNYJCFCXZ4VYF3I2 · pith_short_8: DNYJCFCX

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/DNYJCFCXZ4VYF3I25HBMMIFZNS \
  | 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: 1b70911457cf2b82ed1ae9c2c620b96c967bf9ccb1a4d53c654b87187c81b23d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0093656022d5e6a17294d5fad83181b6a81743506384b08a6368c459eec46d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-03T20:03:40Z",
    "title_canon_sha256": "d03f24aedb8888808dd326f66c89059d0c188b4c263c8f1851ee9ec87c98aa21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1136",
    "kind": "arxiv",
    "version": 3
  }
}