Pith Number

pith:5QIDZOTF

pith:2015:5QIDZOTFNYU4YDCP4NDREW6S3N

not attested not anchored not stored refs pending

Upper bound on the number of steps for solving the subset sum problem by the Branch-and-Bound method

Mikhail Posypkin, Roman Kolpakov

arxiv:1506.06284 v1 · 2015-06-20 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QIDZOTFNYU4YDCP4NDREW6S3N}

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	2026-05-18T01:41:45.609962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec103cba656e29cc0c4fe347125bd2db596462bc187d8932ae93333e1d77d442

Aliases

arxiv: 1506.06284 · arxiv_version: 1506.06284v1 · doi: 10.48550/arxiv.1506.06284 · pith_short_12: 5QIDZOTFNYU4 · pith_short_16: 5QIDZOTFNYU4YDCP · pith_short_8: 5QIDZOTF

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/5QIDZOTFNYU4YDCP4NDREW6S3N \
  | 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: ec103cba656e29cc0c4fe347125bd2db596462bc187d8932ae93333e1d77d442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5435df2ee845d1c83c69caed54daa4a445ed9739d8d800ac2d49deca6c4f02ce",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-06-20T19:20:23Z",
    "title_canon_sha256": "22916741eb01d031b242577de263773c9c809b75221aa13076779f3a2934c3e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06284",
    "kind": "arxiv",
    "version": 1
  }
}