Pith Number

pith:FQCM5OXP

pith:2011:FQCM5OXPMGO4QE7CH7LVZCSJ6T

not attested not anchored not stored refs pending

On the Pseudocodeword Redundancy of Binary Linear Codes

Jens Zumbr\"agel, Mark F. Flanagan, Vitaly Skachek

arxiv:1103.3641 v2 · 2011-03-18 · 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{FQCM5OXPMGO4QE7CH7LVZCSJ6T}

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	2026-05-18T04:00:49.520185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c04cebaef619dc813e23fd75c8a49f4db6a18da8da803533dc1940dab108236

Aliases

arxiv: 1103.3641 · arxiv_version: 1103.3641v2 · doi: 10.48550/arxiv.1103.3641 · pith_short_12: FQCM5OXPMGO4 · pith_short_16: FQCM5OXPMGO4QE7C · pith_short_8: FQCM5OXP

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/FQCM5OXPMGO4QE7CH7LVZCSJ6T \
  | 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: 2c04cebaef619dc813e23fd75c8a49f4db6a18da8da803533dc1940dab108236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57145f585bb8253a3dd70bab7229a61b47ce364bb8e3482e41f9bd6f062651ef",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-18T14:57:28Z",
    "title_canon_sha256": "8425f5e57393cabb526e7b7b8b24b591274142b76e61e9f9111211c50a762381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3641",
    "kind": "arxiv",
    "version": 2
  }
}