Pith Number

pith:67HMZ6KN

pith:2014:67HMZ6KN3GYWFUHJK2DC7A7AAH

not attested not anchored not stored refs pending

Differential Distributed Space-Time Coding with Imperfect Synchronization in Frequency-Selective Channels

Hamid Jafarkhani, M. R. Avendi

arxiv:1411.4287 v1 · 2014-11-16 · 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{67HMZ6KN3GYWFUHJK2DC7A7AAH}

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	2026-05-18T02:35:46.023841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ceccf94dd9b162d0e956862f83e001c696ba9f7953a1285f51fa698e3606a7

Aliases

arxiv: 1411.4287 · arxiv_version: 1411.4287v1 · doi: 10.48550/arxiv.1411.4287 · pith_short_12: 67HMZ6KN3GYW · pith_short_16: 67HMZ6KN3GYWFUHJ · pith_short_8: 67HMZ6KN

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/67HMZ6KN3GYWFUHJK2DC7A7AAH \
  | 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: f7ceccf94dd9b162d0e956862f83e001c696ba9f7953a1285f51fa698e3606a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d809539c13ccaf19ad41204a38c5e85af4f9004c2d27935ce1953d2499078b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-16T18:07:40Z",
    "title_canon_sha256": "23445a1fd35b8bdb4cac12f6e50d5b34c55577e12073495bd65ae3d807588ed9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4287",
    "kind": "arxiv",
    "version": 1
  }
}