Pith Number

pith:N3R7ME6R

pith:2015:N3R7ME6RK2YVS7LBABOJQB2NR5

not attested not anchored not stored refs pending

Efficient Approximation Algorithms for Multi-Antennae Largest Weight Data Retrieval

Hong Shen, Longkun Guo, Wenxing Zhu

arxiv:1504.04679 v4 · 2015-04-18 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3R7ME6RK2YVS7LBABOJQB2NR5}

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	2026-05-18T00:43:03.290386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee3f613d156b1597d61005c98074d8f696df066b076d510a826a1dc0d5b8300

Aliases

arxiv: 1504.04679 · arxiv_version: 1504.04679v4 · doi: 10.48550/arxiv.1504.04679 · pith_short_12: N3R7ME6RK2YV · pith_short_16: N3R7ME6RK2YVS7LB · pith_short_8: N3R7ME6R

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/N3R7ME6RK2YVS7LBABOJQB2NR5 \
  | 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: 6ee3f613d156b1597d61005c98074d8f696df066b076d510a826a1dc0d5b8300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12114b5c9797fd27d2ab312049029c7a7ec0c827237af56a590d8edb8b7c7523",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-18T03:26:01Z",
    "title_canon_sha256": "e8f1b66b2283c74ed073c523fb9cda9be2636cbc866978908ee8b2f9f1068bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04679",
    "kind": "arxiv",
    "version": 4
  }
}