Pith Number

pith:25OZ64BC

pith:2018:25OZ64BCHWPUT3VAKGTL46PEMU

not attested not anchored not stored refs pending

Linear Programming Approximations for Index Coding

Abhishek Agarwal, Arya Mazumdar, Larkin Flodin

arxiv:1807.07193 v3 · 2018-07-19 · 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{25OZ64BCHWPUT3VAKGTL46PEMU}

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	2026-05-17T23:48:55.521509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75d9f70223d9f49eea051a6be79e465165340ac910646cad9facdaf160e8df7

Aliases

arxiv: 1807.07193 · arxiv_version: 1807.07193v3 · doi: 10.48550/arxiv.1807.07193 · pith_short_12: 25OZ64BCHWPU · pith_short_16: 25OZ64BCHWPUT3VA · pith_short_8: 25OZ64BC

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/25OZ64BCHWPUT3VAKGTL46PEMU \
  | 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: d75d9f70223d9f49eea051a6be79e465165340ac910646cad9facdaf160e8df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "794045d8229e85e036ec68d724d685eb7b2f1dc7480b17f8c58446d6fd78fc17",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-19T00:20:23Z",
    "title_canon_sha256": "1d9a08325f1bace28ac61077b527b3d961ada744b0dda1f6b583d11cd5c42b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07193",
    "kind": "arxiv",
    "version": 3
  }
}