Pith Number

pith:3MTMXYJ7

pith:2011:3MTMXYJ7SHCFLZGRWPVEII5PN4

not attested not anchored not stored refs pending

Capacity Achieving Linear Codes with Random Binary Sparse Generating Matrices

A. Makhdoumi Kakhaki, F. Marvasti, H. Karkeh Abadi, H. Saeedi, K. Alishahi, P. Pad

arxiv:1102.4099 v3 · 2011-02-20 · 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{3MTMXYJ7SHCFLZGRWPVEII5PN4}

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	2026-05-18T04:14:29.159451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db26cbe13f91c455e4d1b3ea4423af6f177aeed35046382073d59ff131acdb50

Aliases

arxiv: 1102.4099 · arxiv_version: 1102.4099v3 · doi: 10.48550/arxiv.1102.4099 · pith_short_12: 3MTMXYJ7SHCF · pith_short_16: 3MTMXYJ7SHCFLZGR · pith_short_8: 3MTMXYJ7

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/3MTMXYJ7SHCFLZGRWPVEII5PN4 \
  | 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: db26cbe13f91c455e4d1b3ea4423af6f177aeed35046382073d59ff131acdb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4878f62c3b61956e5925ff48304a51f99aad343afc800a097beaf341fd389a9f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-20T19:51:57Z",
    "title_canon_sha256": "c77c7523b7d88c6e4703f39f5c70b80c8a441afc57e56e0404d78824778ababe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4099",
    "kind": "arxiv",
    "version": 3
  }
}