Pith Number

pith:KC5SJAB2

pith:2017:KC5SJAB23OH7QZNHU5HVF75UY2

not attested not anchored not stored refs pending

Rate $\frac{1}{3}$ Index Coding: Forbidden and Feasible Configurations

Prasad Krishnan, V. Lalitha

arxiv:1701.06814 v1 · 2017-01-24 · 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{KC5SJAB23OH7QZNHU5HVF75UY2}

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	2026-05-18T00:52:12.142382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50bb24803adb8ff865a7a74f52ffb4c68648fe74671587539b47099af7f72318

Aliases

arxiv: 1701.06814 · arxiv_version: 1701.06814v1 · doi: 10.48550/arxiv.1701.06814 · pith_short_12: KC5SJAB23OH7 · pith_short_16: KC5SJAB23OH7QZNH · pith_short_8: KC5SJAB2

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/KC5SJAB23OH7QZNHU5HVF75UY2 \
  | 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: 50bb24803adb8ff865a7a74f52ffb4c68648fe74671587539b47099af7f72318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25369e49d36aec34ae9fbcf9d8f07c72460e8bc327bf38e73df4e6938654e0bf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-24T11:17:28Z",
    "title_canon_sha256": "a6dfc4319be8d4cceee94cd9bc1293a10b4394b241da9a43f4b3ed578fc45219"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06814",
    "kind": "arxiv",
    "version": 1
  }
}