Pith Number

pith:LZGOTFAD

pith:2021:LZGOTFADN5GDQ5LLQBMQQ3GVQJ

not attested not anchored not stored refs pending

Inapproximability of a Pair of Forms Defining a Partial Boolean Function

Bjoern Andres, David Stein

arxiv:2102.04703 v4 · 2021-02-09 · cs.LG · cs.CC · cs.DM · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZGOTFADN5GDQ5LLQBMQQ3GVQJ}

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	2026-07-05T04:55:35.697375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e4ce994036f4c38756b8059086cd5826a889618f0ad6fde94100404f884e1fe

Aliases

arxiv: 2102.04703 · arxiv_version: 2102.04703v4 · doi: 10.48550/arxiv.2102.04703 · pith_short_12: LZGOTFADN5GD · pith_short_16: LZGOTFADN5GDQ5LL · pith_short_8: LZGOTFAD

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/LZGOTFADN5GDQ5LLQBMQQ3GVQJ \
  | 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: 5e4ce994036f4c38756b8059086cd5826a889618f0ad6fde94100404f884e1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aba3ae25acc6b4779c0efa96d4e09c4c26950a4ab543bd7a627eb4c9958cc9fc",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-09T08:46:50Z",
    "title_canon_sha256": "8d0f4bfd1eb129a501c9a0fe1cfd6efc2e3dbd3b3300308cd53a5d74b919b688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04703",
    "kind": "arxiv",
    "version": 4
  }
}