Pith Number

pith:DA4M7FQ6

pith:2015:DA4M7FQ6Y6HCYCN34GM6GZNDAD

not attested not anchored not stored refs pending

On the Griesmer bound for nonlinear codes

Alessio Meneghetti, Eleonora Guerrini, Emanuele Bellini, Massimiliano Sala

arxiv:1502.07379 v1 · 2015-01-18 · cs.IT · math.CO · 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{DA4M7FQ6Y6HCYCN34GM6GZNDAD}

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	2026-05-18T02:26:09.942146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1838cf961ec78e2c09bbe199e365a300c70ab4560e06ebe87bc9ece5b1ad83e2

Aliases

arxiv: 1502.07379 · arxiv_version: 1502.07379v1 · doi: 10.48550/arxiv.1502.07379 · pith_short_12: DA4M7FQ6Y6HC · pith_short_16: DA4M7FQ6Y6HCYCN3 · pith_short_8: DA4M7FQ6

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/DA4M7FQ6Y6HCYCN34GM6GZNDAD \
  | 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: 1838cf961ec78e2c09bbe199e365a300c70ab4560e06ebe87bc9ece5b1ad83e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b072cacf0d2dd04fac1de9034b011ccc96d664031647387b178e1c4c674be7",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-18T18:00:14Z",
    "title_canon_sha256": "65712bb3f13e220f7385942dbb9c10cbb4b86873df858f89e2ac6fbaf1ad729c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07379",
    "kind": "arxiv",
    "version": 1
  }
}