Pith Number

pith:S3XBOJ4D

pith:2018:S3XBOJ4DHOXSGCIX67FTSQ5VZ7

not attested not anchored not stored refs pending

Universal upper bounds for Gaussian information capacity

Hun Hee Lee, Kabgyun Jeong, Youngrong Lim

arxiv:1812.01423 v1 · 2018-12-04 · 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{S3XBOJ4DHOXSGCIX67FTSQ5VZ7}

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	2026-05-17T23:46:29.433528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96ee1727833baf230917f7cb3943b5cfddb7b532f7301de19d84a0ba52709ab6

Aliases

arxiv: 1812.01423 · arxiv_version: 1812.01423v1 · doi: 10.48550/arxiv.1812.01423 · pith_short_12: S3XBOJ4DHOXS · pith_short_16: S3XBOJ4DHOXSGCIX · pith_short_8: S3XBOJ4D

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/S3XBOJ4DHOXSGCIX67FTSQ5VZ7 \
  | 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: 96ee1727833baf230917f7cb3943b5cfddb7b532f7301de19d84a0ba52709ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2400ef2ae2d63602b81119ae3fb79b036039277644f0a2d37bbcbb3a5d28c12e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-04T14:08:30Z",
    "title_canon_sha256": "b2bf755c9bdc155452374061edf3b7a362fc7d07002bc9a392687639d8e25365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01423",
    "kind": "arxiv",
    "version": 1
  }
}