Pith Number

pith:LYBFYYMO

pith:2016:LYBFYYMONXCXUYRKO6364HZ4KD

not attested not anchored not stored refs pending

A Sparse and Low-Rank Optimization Framework for Index Coding via Riemannian Optimization

Bamdev Mishra, Yuanming Shi

arxiv:1604.04325 v1 · 2016-04-15 · 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{LYBFYYMONXCXUYRKO6364HZ4KD}

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	2026-05-18T01:17:04.511588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e025c618e6dc57a622a77b7ee1f3c50d9b86ab9ff6af02339368ece6a9bdbf3

Aliases

arxiv: 1604.04325 · arxiv_version: 1604.04325v1 · doi: 10.48550/arxiv.1604.04325 · pith_short_12: LYBFYYMONXCX · pith_short_16: LYBFYYMONXCXUYRK · pith_short_8: LYBFYYMO

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/LYBFYYMONXCXUYRKO6364HZ4KD \
  | 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: 5e025c618e6dc57a622a77b7ee1f3c50d9b86ab9ff6af02339368ece6a9bdbf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcaeba7354d84c3102d07a87c83c6686752f5419fc7f6fa3b0c19e04d4135066",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-04-15T01:01:26Z",
    "title_canon_sha256": "f4888466b4003bfbf6f399d6b09bfb667b1c6781e99c468df17bae7081d127c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04325",
    "kind": "arxiv",
    "version": 1
  }
}