Pith Number

pith:S5LF62FH

pith:2018:S5LF62FHQIHEAF5CEKGKLEADLL

not attested not anchored not stored refs pending

Optimal Linear Broadcast Rates of the Two-Sender Unicast Index Coding Problem with Fully-Participated Interactions

B. Sundar Rajan, Chinmayananda Arunachala, Vaneet Aggarwal

arxiv:1808.09775 v1 · 2018-08-29 · 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{S5LF62FHQIHEAF5CEKGKLEADLL}

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	2026-05-18T00:06:54.504765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97565f68a7820e4017a2228ca590035aeff8697981619ab1f2847775b48ca1e0

Aliases

arxiv: 1808.09775 · arxiv_version: 1808.09775v1 · doi: 10.48550/arxiv.1808.09775 · pith_short_12: S5LF62FHQIHE · pith_short_16: S5LF62FHQIHEAF5C · pith_short_8: S5LF62FH

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/S5LF62FHQIHEAF5CEKGKLEADLL \
  | 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: 97565f68a7820e4017a2228ca590035aeff8697981619ab1f2847775b48ca1e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b51ab856f2809b5468b388b195cef2d4528ceb04c4fe4935f5748390f3ed9b20",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-29T13:02:43Z",
    "title_canon_sha256": "785dcc09a4e0eed115a8570a064f94145c0bb60891c4d58d34be80ff03dfc5d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09775",
    "kind": "arxiv",
    "version": 1
  }
}