Pith Number

pith:IATZI7AM

pith:2015:IATZI7AMSW7ZU5TXP4MZFM4MHU

not attested not anchored not stored refs pending

Experimental Demonstration of Capacity Increase and Rate-Adaptation by Probabilistically Shaped 64-QAM

Fabian Steiner, Fred Buchali, Georg B\"ocherer, Laurent Schmalen, Patrick Schulte, Wilfried Idler

arxiv:1509.08836 v1 · 2015-09-29 · 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{IATZI7AMSW7ZU5TXP4MZFM4MHU}

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	2026-05-18T01:31:46.984808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4027947c0c95bf9a76777f1992b38c3d244146ec2561dbf0e9baa125c2ad3839

Aliases

arxiv: 1509.08836 · arxiv_version: 1509.08836v1 · doi: 10.48550/arxiv.1509.08836 · pith_short_12: IATZI7AMSW7Z · pith_short_16: IATZI7AMSW7ZU5TX · pith_short_8: IATZI7AM

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/IATZI7AMSW7ZU5TXP4MZFM4MHU \
  | 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: 4027947c0c95bf9a76777f1992b38c3d244146ec2561dbf0e9baa125c2ad3839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c76e3b00d8877f71b112bff72db67ed760f4b15023b1769ead0c2ef29437ad99",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-29T16:37:06Z",
    "title_canon_sha256": "8942636b5f6057158112f079499cb0e092bc95ccd8dce53e7747027d66fd9867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08836",
    "kind": "arxiv",
    "version": 1
  }
}