Pith Number

pith:G3E5XUBE

pith:2018:G3E5XUBEE4QPZOE5EU7H2KW576

not attested not anchored not stored refs pending

Optimal Scalar Linear Codes for Some Classes of The Two-Sender Groupcast Index Coding Problem

B. Sundar Rajan, Chinmayananda A.

arxiv:1804.03823 v2 · 2018-04-11 · 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{G3E5XUBEE4QPZOE5EU7H2KW576}

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	2026-05-17T23:45:15.532194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36c9dbd0242720fcb89d253e7d2addff8d42207330343251db034fd744b4df6e

Aliases

arxiv: 1804.03823 · arxiv_version: 1804.03823v2 · doi: 10.48550/arxiv.1804.03823 · pith_short_12: G3E5XUBEE4QP · pith_short_16: G3E5XUBEE4QPZOE5 · pith_short_8: G3E5XUBE

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/G3E5XUBEE4QPZOE5EU7H2KW576 \
  | 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: 36c9dbd0242720fcb89d253e7d2addff8d42207330343251db034fd744b4df6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0f54a795fda115f90f74e122f8abf7ef4820cc0558a4246865b93eeacbf193",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-04-11T06:08:18Z",
    "title_canon_sha256": "5a34a550c521d1a533acdfcb4657b85fe4f83748e2a55e52881c9091227d9834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03823",
    "kind": "arxiv",
    "version": 2
  }
}