Pith Number

pith:APLNV4HO

pith:2015:APLNV4HOBQ4X222TPYE6LRGW3B

not attested not anchored not stored refs pending

Search-to-Decision Reductions for Lattice Problems with Approximation Factors (Slightly) Greater Than One

Noah Stephens-Davidowitz

arxiv:1512.04138 v5 · 2015-12-13 · cs.CC · 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{APLNV4HOBQ4X222TPYE6LRGW3B}

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	2026-05-17T23:55:34.914751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d6daf0ee0c397d6b537e09e5c4d6d84cab8fc0989ad1901ae7b55734475936

Aliases

arxiv: 1512.04138 · arxiv_version: 1512.04138v5 · doi: 10.48550/arxiv.1512.04138 · pith_short_12: APLNV4HOBQ4X · pith_short_16: APLNV4HOBQ4X222T · pith_short_8: APLNV4HO

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/APLNV4HOBQ4X222TPYE6LRGW3B \
  | 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: 03d6daf0ee0c397d6b537e09e5c4d6d84cab8fc0989ad1901ae7b55734475936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c155940b213fa63f13aab62b3e70b6906248339d92c80e837d95cb979a67adbb",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-12-13T23:41:21Z",
    "title_canon_sha256": "e4c002e5b7783a42ec042e72ddfcd1e600f71d448c6e194b30bb1a0ea50fd5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04138",
    "kind": "arxiv",
    "version": 5
  }
}