Pith Number

pith:Q4A5YUZO

pith:2018:Q4A5YUZOIWTHHS7CNPOWPYARAS

not attested not anchored not stored refs pending

Optimal Scalar Linear Index Codes for Symmetric and Neighboring Side-information Problems

B. Sundar Rajan, Mahesh Babu Vaddi

arxiv:1811.05794 v1 · 2018-11-13 · 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{Q4A5YUZOIWTHHS7CNPOWPYARAS}

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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	2026-05-18T00:00:42.079650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8701dc532e45a673cbe26bdd67e011049c871850f56db6ea71ffab1a79affe01

Aliases

arxiv: 1811.05794 · arxiv_version: 1811.05794v1 · doi: 10.48550/arxiv.1811.05794 · pith_short_12: Q4A5YUZOIWTH · pith_short_16: Q4A5YUZOIWTHHS7C · pith_short_8: Q4A5YUZO

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/Q4A5YUZOIWTHHS7CNPOWPYARAS \
  | 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: 8701dc532e45a673cbe26bdd67e011049c871850f56db6ea71ffab1a79affe01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac96d1e9561919b12c6449cdb3e0f8ad7ae0cc3df5023f6562052a0b3761c527",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-11-13T15:40:50Z",
    "title_canon_sha256": "6c630a6f96f5daa6a84dc0c3643252d4b684aab901fb688defef932baa3ebf21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05794",
    "kind": "arxiv",
    "version": 1
  }
}