Pith Number

pith:4BCS6D7T

pith:2021:4BCS6D7TSUTUJPVDDF6K5W2U4S

not attested not anchored not stored refs pending

Multilevel Polar Coded Space-Shift Keying

Belfield, Dublin 4, Electronic Engineering, Ireland), Mark F. Flanagan (School of Electrical, Muhammad Zaeem Hasan, Nemanja Stefan Perovi\'c, University College Dublin

arxiv:2104.09875 v1 · 2021-04-20 · 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{4BCS6D7TSUTUJPVDDF6K5W2U4S}

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	2026-07-05T02:33:37.940346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0452f0ff3952744bea3197caedb54e49a4af29d75bc7bc10151364cc858d7d9

Aliases

arxiv: 2104.09875 · arxiv_version: 2104.09875v1 · doi: 10.48550/arxiv.2104.09875 · pith_short_12: 4BCS6D7TSUTU · pith_short_16: 4BCS6D7TSUTUJPVD · pith_short_8: 4BCS6D7T

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/4BCS6D7TSUTUJPVDDF6K5W2U4S \
  | 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: e0452f0ff3952744bea3197caedb54e49a4af29d75bc7bc10151364cc858d7d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e2c5814a4b94561ebd314921c4021678d85850c06e2d9443993d20c66ee9bd8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-04-20T10:12:13Z",
    "title_canon_sha256": "e3e277e9bb4a478614b6e23060460f8dbd2f662e104808e9b1b6b2209c6c39d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09875",
    "kind": "arxiv",
    "version": 1
  }
}