Pith Number

pith:FHRKTCNE

pith:2026:FHRKTCNELLCSCZN74KGQPT4ZZE

not attested not anchored not stored refs pending

On perfect flag-rank metric codes

Ferdinando Zullo, Gianira N. Alfarano, Usman Mushrraf

arxiv:2606.12934 v1 · 2026-06-11 · math.CO · 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{FHRKTCNELLCSCZN74KGQPT4ZZE}

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	2026-06-12T01:09:34.880650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29e2a989a45ac52165bfe28d07cf99c935b539bfc53d4f6d9df563fb4aebdd70

Aliases

arxiv: 2606.12934 · arxiv_version: 2606.12934v1 · doi: 10.48550/arxiv.2606.12934 · pith_short_12: FHRKTCNELLCS · pith_short_16: FHRKTCNELLCSCZN7 · pith_short_8: FHRKTCNE

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/FHRKTCNELLCSCZN74KGQPT4ZZE \
  | 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: 29e2a989a45ac52165bfe28d07cf99c935b539bfc53d4f6d9df563fb4aebdd70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b5516aa614143e6b0ce8f0dc40184f320a2ed1d911b8ec8e657a0011ade936",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-11T05:56:02Z",
    "title_canon_sha256": "8789ce41ad4775ad49e7e369ed0d0327441c2d181ecc9bc3174f6e601a609fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12934",
    "kind": "arxiv",
    "version": 1
  }
}