Pith Number

pith:OVWHF6DD

pith:2017:OVWHF6DDBFDOIY7CT4WQZFQTPZ

not attested not anchored not stored refs pending

Generalized Index Coding Problem and Discrete Polymatroids

Anoop Thomas, B. Sundar Rajan

arxiv:1701.03559 v2 · 2017-01-13 · 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{OVWHF6DDBFDOIY7CT4WQZFQTPZ}

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	2026-05-18T00:45:19.699497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

756c72f8630946e463e29f2d0c96137e6599deaf390797e950d08fec38ddf68b

Aliases

arxiv: 1701.03559 · arxiv_version: 1701.03559v2 · doi: 10.48550/arxiv.1701.03559 · pith_short_12: OVWHF6DDBFDO · pith_short_16: OVWHF6DDBFDOIY7C · pith_short_8: OVWHF6DD

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/OVWHF6DDBFDOIY7CT4WQZFQTPZ \
  | 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: 756c72f8630946e463e29f2d0c96137e6599deaf390797e950d08fec38ddf68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bef8a58530b9f309809655560d53441a14289fb8e025ee853b1ace92e1e7fcb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-13T04:25:58Z",
    "title_canon_sha256": "ac54598f6cc4437588ba74e5a5cb11e9732111e5b22557bbc75dc007e79276fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03559",
    "kind": "arxiv",
    "version": 2
  }
}