Pith Number

pith:NTGPKCZZ

pith:2017:NTGPKCZZCI2YTUBEP4XKSEB5P5

not attested not anchored not stored refs pending

Complete MDP convolutional codes

Julia Lieb

arxiv:1712.08767 v1 · 2017-12-23 · 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{NTGPKCZZCI2YTUBEP4XKSEB5P5}

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	2026-05-18T00:27:16.860515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cccf50b39123589d0247f2ea9103d7f56ea1855bf25ee23f04ea33ce2d5e18c

Aliases

arxiv: 1712.08767 · arxiv_version: 1712.08767v1 · doi: 10.48550/arxiv.1712.08767 · pith_short_12: NTGPKCZZCI2Y · pith_short_16: NTGPKCZZCI2YTUBE · pith_short_8: NTGPKCZZ

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/NTGPKCZZCI2YTUBEP4XKSEB5P5 \
  | 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: 6cccf50b39123589d0247f2ea9103d7f56ea1855bf25ee23f04ea33ce2d5e18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe5b6a714e101cc9e5b12105e00544a8a847de8f5b4f68e9dacea4fa38f990a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-23T12:32:19Z",
    "title_canon_sha256": "8dc417b818e8480749313b38301632e7280efe4c40c201eea06ac2d7f65ccfc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08767",
    "kind": "arxiv",
    "version": 1
  }
}