Pith Number

pith:V4UGB27E

pith:2015:V4UGB27ECOIGWXQPIJRHGLXN7N

not attested not anchored not stored refs pending

Optimal Vector Linear Index Codes for Some Symmetric Side Information Problems

B. Sundar Rajan, Mahesh Babu Vaddi

arxiv:1511.00542 v1 · 2015-11-02 · 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{V4UGB27ECOIGWXQPIJRHGLXN7N}

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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	2026-05-18T01:26:24.730431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2860ebe413906b5e0f4262732eedfb46bcec14106bf555b0cf26bba2ad73f1

Aliases

arxiv: 1511.00542 · arxiv_version: 1511.00542v1 · doi: 10.48550/arxiv.1511.00542 · pith_short_12: V4UGB27ECOIG · pith_short_16: V4UGB27ECOIGWXQP · pith_short_8: V4UGB27E

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/V4UGB27ECOIGWXQPIJRHGLXN7N \
  | 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: af2860ebe413906b5e0f4262732eedfb46bcec14106bf555b0cf26bba2ad73f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa51c8691b93f98710617ba7618acf74a6421f67c8b8a18c2b89dfdd5f360a0d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-02T15:20:11Z",
    "title_canon_sha256": "2b872d1a915a6d38d34d27b5a935c55025103f9bc830d1af64f39a527d8b3c96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00542",
    "kind": "arxiv",
    "version": 1
  }
}