Pith Number

pith:PMWWXTCV

pith:2011:PMWWXTCVWIRDQNX3KUJKK2RX45

not attested not anchored not stored refs pending

Codes and Designs Related to Lifted MRD Codes

Natalia Silberstein, Tuvi Etzion

arxiv:1102.2593 v5 · 2011-02-13 · cs.IT · cs.DM · 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{PMWWXTCVWIRDQNX3KUJKK2RX45}

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	2026-05-18T00:58:43.645380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b2d6bcc55b2223836fb5512a56a37e754c2cda3bd879495f335cf3984e8a62b

Aliases

arxiv: 1102.2593 · arxiv_version: 1102.2593v5 · doi: 10.48550/arxiv.1102.2593 · pith_short_12: PMWWXTCVWIRD · pith_short_16: PMWWXTCVWIRDQNX3 · pith_short_8: PMWWXTCV

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/PMWWXTCVWIRDQNX3KUJKK2RX45 \
  | 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: 7b2d6bcc55b2223836fb5512a56a37e754c2cda3bd879495f335cf3984e8a62b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065613c32d244cfbfdbab05662c8e517fd5dea18816144e0529b2a63d7b56c54",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-13T14:03:25Z",
    "title_canon_sha256": "e6acb740cf0aa2a1da7d852dc68e927aab99265d8b8de1a8720a7cf1865331dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2593",
    "kind": "arxiv",
    "version": 5
  }
}