Pith Number

pith:PWEOQW57

pith:2009:PWEOQW57HQBKFSC2QIFJXDQP4J

not attested not anchored not stored refs pending

Computing the distance distribution of systematic non-linear codes

Eleonora Guerrini, Emmanuela Orsini, Massimiliano Sala

arxiv:0909.1626 v1 · 2009-09-09 · cs.DM · 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{PWEOQW57HQBKFSC2QIFJXDQP4J}

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	2026-05-18T01:18:00.703410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d88e85bbf3c02a2c85a820a9b8e0fe271178f3989b7c4ae59de75afdc65ea7f

Aliases

arxiv: 0909.1626 · arxiv_version: 0909.1626v1 · doi: 10.48550/arxiv.0909.1626 · pith_short_12: PWEOQW57HQBK · pith_short_16: PWEOQW57HQBKFSC2 · pith_short_8: PWEOQW57

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/PWEOQW57HQBKFSC2QIFJXDQP4J \
  | 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: 7d88e85bbf3c02a2c85a820a9b8e0fe271178f3989b7c4ae59de75afdc65ea7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b197ec855685c54c4f553c6aa8368262d79a78ce4501a939f301a96dbd09d43c",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2009-09-09T05:47:23Z",
    "title_canon_sha256": "73e6d44bda44ea362daa0c631e6a7ba4fd49e55ec4e094d299340c6a0e4dbe6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1626",
    "kind": "arxiv",
    "version": 1
  }
}