Pith Number

pith:BBTCNNLY

pith:2026:BBTCNNLYQNMM72NWL6OBWWMIDU

not attested not anchored not stored refs pending

The geometry of rank-metric codes

Alessandro Neri, Gianira N. Alfarano, Martino Borello

arxiv:2605.19691 v1 · 2026-05-19 · math.CO · cs.IT · math.IT · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBTCNNLYQNMM72NWL6OBWWMIDU}

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	2026-05-20T01:05:57.904563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

086626b5788358cfe9b65f9c1b59881d37556380bf591fb8a24a4f4ef033b443

Aliases

arxiv: 2605.19691 · arxiv_version: 2605.19691v1 · doi: 10.48550/arxiv.2605.19691 · pith_short_12: BBTCNNLYQNMM · pith_short_16: BBTCNNLYQNMM72NW · pith_short_8: BBTCNNLY

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/BBTCNNLYQNMM72NWL6OBWWMIDU \
  | 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: 086626b5788358cfe9b65f9c1b59881d37556380bf591fb8a24a4f4ef033b443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26916ea883ffe5f84f043c5e0848446f32a89e446f25189fd0d8b11f7f2a926c",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-19T11:24:38Z",
    "title_canon_sha256": "db170cb9efae0274724684d105beec72be5e1fa2f288ae4a1822bd7f8a5d319d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19691",
    "kind": "arxiv",
    "version": 1
  }
}