Pith Number

pith:IC5G5CTQ

pith:2015:IC5G5CTQSRLEHNGKMC34IMVLGG

not attested not anchored not stored refs pending

On zero-error communication via quantum channels in the presence of noiseless feedback

Andreas Winter, Runyao Duan, Simone Severini

arxiv:1502.02987 v3 · 2015-02-10 · quant-ph · cs.IT · math.CO · 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{IC5G5CTQSRLEHNGKMC34IMVLGG}

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	2026-05-18T01:08:35.874027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40ba6e8a70945643b4ca60b7c432ab31abd865b3a0cf76d7e805468d02b590f7

Aliases

arxiv: 1502.02987 · arxiv_version: 1502.02987v3 · doi: 10.48550/arxiv.1502.02987 · pith_short_12: IC5G5CTQSRLE · pith_short_16: IC5G5CTQSRLEHNGK · pith_short_8: IC5G5CTQ

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/IC5G5CTQSRLEHNGKMC34IMVLGG \
  | 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: 40ba6e8a70945643b4ca60b7c432ab31abd865b3a0cf76d7e805468d02b590f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14223cedcdf5a676eae2ef42a874e83975402ed2ec2fa337d0c96f454ecdd636",
    "cross_cats_sorted": [
      "cs.IT",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-10T16:58:23Z",
    "title_canon_sha256": "31cfb98ee8bfc40a2eaab80406bdff5f09882847f54a3d0114bdec43cecc2035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02987",
    "kind": "arxiv",
    "version": 3
  }
}