Pith Number

pith:6Q43ZZTF

pith:2019:6Q43ZZTFRLDHSN5EIIQD5HFLAG

not attested not anchored not stored refs pending

Invariants and Inequivalence of Linear Rank-Metric Codes

Alessandro Neri, Anna-Lena Horlemann-Trautmann, Sven Puchinger

arxiv:1905.11326 v1 · 2019-05-27 · 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{6Q43ZZTFRLDHSN5EIIQD5HFLAG}

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	2026-05-17T23:45:00.690234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f439bce6658ac67937a442203e9cab018ef06266687c75c3579a9f2ef9e5dde6

Aliases

arxiv: 1905.11326 · arxiv_version: 1905.11326v1 · doi: 10.48550/arxiv.1905.11326 · pith_short_12: 6Q43ZZTFRLDH · pith_short_16: 6Q43ZZTFRLDHSN5E · pith_short_8: 6Q43ZZTF

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/6Q43ZZTFRLDHSN5EIIQD5HFLAG \
  | 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: f439bce6658ac67937a442203e9cab018ef06266687c75c3579a9f2ef9e5dde6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee659b2cf2eb8440f1434d67a88043347214714d4685ecdcda6a723f073af5a9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-27T16:24:16Z",
    "title_canon_sha256": "cbabd1de9856cf4abff38f4342d53b17bb9ff6ffd0b969270c2c0cb577e1010d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11326",
    "kind": "arxiv",
    "version": 1
  }
}