Pith Number

pith:ATW6TXEQ

pith:2014:ATW6TXEQZVUZK6H2KWRYRM252N

not attested not anchored not stored refs pending

A Matrix Completion Approach to Linear Index Coding Problem

Babak Hassibi, Farshad Lahouti, Homa Esfahanizadeh

arxiv:1408.3046 v1 · 2014-08-11 · 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{ATW6TXEQZVUZK6H2KWRYRM252N}

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	2026-05-18T02:45:15.169327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04ede9dc90cd699578fa55a388b35dd36640ef34e8501fd2cd84cb3291bcc8e7

Aliases

arxiv: 1408.3046 · arxiv_version: 1408.3046v1 · doi: 10.48550/arxiv.1408.3046 · pith_short_12: ATW6TXEQZVUZ · pith_short_16: ATW6TXEQZVUZK6H2 · pith_short_8: ATW6TXEQ

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/ATW6TXEQZVUZK6H2KWRYRM252N \
  | 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: 04ede9dc90cd699578fa55a388b35dd36640ef34e8501fd2cd84cb3291bcc8e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da31aa0d08599ac4b96a9b14c2e8eb4cf711faee81b2da47c32fb474d3a03cc8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-08-11T18:45:48Z",
    "title_canon_sha256": "c2285da719415f710252ec40acb06e14fcd23093345838e50fd54a74d503b872"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3046",
    "kind": "arxiv",
    "version": 1
  }
}