Pith Number

pith:24J2W2K7

pith:2016:24J2W2K77HBQYTKB6BGUQNAPWU

not attested not anchored not stored refs pending

A class of index coding problems with rate 1/3

Prasad Krishnan, V. Lalitha

arxiv:1601.06689 v1 · 2016-01-25 · 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{24J2W2K77HBQYTKB6BGUQNAPWU}

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	2026-05-18T01:22:03.935169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d713ab695ff9c30c4d41f04d48340fb53e87e879b01af22ba697c32ee466ca3c

Aliases

arxiv: 1601.06689 · arxiv_version: 1601.06689v1 · doi: 10.48550/arxiv.1601.06689 · pith_short_12: 24J2W2K77HBQ · pith_short_16: 24J2W2K77HBQYTKB · pith_short_8: 24J2W2K7

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/24J2W2K77HBQYTKB6BGUQNAPWU \
  | 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: d713ab695ff9c30c4d41f04d48340fb53e87e879b01af22ba697c32ee466ca3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e0e8ab43f6971709f33819646e7bac567bf4c3e15195a11aca1611ca08f354c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-01-25T17:36:00Z",
    "title_canon_sha256": "6c032acfa5f8e35f0978d3ed667c00553997f9982d253a015d2174ddb5922820"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06689",
    "kind": "arxiv",
    "version": 1
  }
}