Pith Number

pith:VBVSZ3RE

pith:2018:VBVSZ3RECM6HIXW5SBM7H3ECUO

not attested not anchored not stored refs pending

Groupcast Index Coding Problem: Joint Extensions

B. Sundar Rajan, Chinmayananda Arunachala

arxiv:1810.11597 v2 · 2018-10-27 · 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{VBVSZ3RECM6HIXW5SBM7H3ECUO}

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	2026-05-17T23:56:05.124787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a86b2cee24133c745edd9059f3ec82a3b2936dc02090d2eff70d9b03028510ab

Aliases

arxiv: 1810.11597 · arxiv_version: 1810.11597v2 · doi: 10.48550/arxiv.1810.11597 · pith_short_12: VBVSZ3RECM6H · pith_short_16: VBVSZ3RECM6HIXW5 · pith_short_8: VBVSZ3RE

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/VBVSZ3RECM6HIXW5SBM7H3ECUO \
  | 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: a86b2cee24133c745edd9059f3ec82a3b2936dc02090d2eff70d9b03028510ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a3d54a24d50ce0db833e535835037c2a1e01bb712e04373f8e6902781348d2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-10-27T04:48:14Z",
    "title_canon_sha256": "205b51c5a974649d00c46274fdb9041678b80f1595387d6c1c8c5621cb951244"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11597",
    "kind": "arxiv",
    "version": 2
  }
}