Pith Number

pith:NXBY4YW4

pith:2011:NXBY4YW4K27D6KMKPA6VFFOGCY

not attested not anchored not stored refs pending

Optical codeword demodulation with error rates below standard quantum limit using a conditional nulling receiver

Jian Chen, Jonathan L. Habif, Richard Lazarus, Saikat Guha, Zachary Dutton

arxiv:1111.4017 v2 · 2011-11-17 · 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{NXBY4YW4K27D6KMKPA6VFFOGCY}

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	2026-05-18T02:21:29.211726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dc38e62dc56be3f298a783d5295c61625cda6e5618a7104096d320782379931

Aliases

arxiv: 1111.4017 · arxiv_version: 1111.4017v2 · doi: 10.48550/arxiv.1111.4017 · pith_short_12: NXBY4YW4K27D · pith_short_16: NXBY4YW4K27D6KMK · pith_short_8: NXBY4YW4

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/NXBY4YW4K27D6KMKPA6VFFOGCY \
  | 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: 6dc38e62dc56be3f298a783d5295c61625cda6e5618a7104096d320782379931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a357a6e390379a8603c38f67f6bda656e724d2bd43b15423065ec0e712a42cb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-17T03:29:01Z",
    "title_canon_sha256": "a893171613c19577592e3b75314eb51a45201533e008d51e583889162f442b71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4017",
    "kind": "arxiv",
    "version": 2
  }
}