Pith Number

pith:PWHTWSTF

pith:2016:PWHTWSTF5432TYPPY6MI5DT76G

not attested not anchored not stored refs pending

Graph-Theoretic Approaches to Two-Sender Index Coding

Chandra Thapa, Lawrence Ong, Sarah J. Johnson

arxiv:1609.08878 v1 · 2016-09-28 · 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{PWHTWSTF5432TYPPY6MI5DT76G}

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	2026-05-18T00:42:39.360872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d8f3b4a65ef37a9e1efc7988e8e7ff196b7e3b348ec1f0c15c178b522889066

Aliases

arxiv: 1609.08878 · arxiv_version: 1609.08878v1 · doi: 10.48550/arxiv.1609.08878 · pith_short_12: PWHTWSTF5432 · pith_short_16: PWHTWSTF5432TYPP · pith_short_8: PWHTWSTF

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/PWHTWSTF5432TYPPY6MI5DT76G \
  | 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: 7d8f3b4a65ef37a9e1efc7988e8e7ff196b7e3b348ec1f0c15c178b522889066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4306105745f3689d301f1caeb4fc2a3dd4d7068605db62cee880fa5ac198c04",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-28T12:13:31Z",
    "title_canon_sha256": "4627fcf350ce7db8399d0260f809be1b4ff78df236eee71d6ce03eaacaa9c432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08878",
    "kind": "arxiv",
    "version": 1
  }
}