Pith Number

pith:NTDQIQMU

pith:2014:NTDQIQMUTPG34IBJ6XPXHJK5BZ

not attested not anchored not stored refs pending

Linear Index Coding via Graph Homomorphism

Javad B. Ebrahimi, Mahdi Jafari Siavoshani

arxiv:1410.1371 v1 · 2014-10-06 · cs.IT · cs.DM · 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{NTDQIQMUTPG34IBJ6XPXHJK5BZ}

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	2026-05-18T02:41:02.229357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc70441949bcdbe2029f5df73a55d0e6c6e9da8d61d96ce2d415481d6369aea

Aliases

arxiv: 1410.1371 · arxiv_version: 1410.1371v1 · doi: 10.48550/arxiv.1410.1371 · pith_short_12: NTDQIQMUTPG3 · pith_short_16: NTDQIQMUTPG34IBJ · pith_short_8: NTDQIQMU

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/NTDQIQMUTPG34IBJ6XPXHJK5BZ \
  | 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: 6cc70441949bcdbe2029f5df73a55d0e6c6e9da8d61d96ce2d415481d6369aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8dc47394a31f2b677ecb135b63829500a1c4bad7c7845e40213dc5ce8cb0ed4",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-10-06T13:47:03Z",
    "title_canon_sha256": "dad43a898dfa8a7d300b0ea36c152dd5977238405c5c3ea16f982270d9916f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1371",
    "kind": "arxiv",
    "version": 1
  }
}