Pith Number

pith:TWZAYPWW

pith:2018:TWZAYPWWN53SJ76BYHQWANTFFV

not attested not anchored not stored refs pending

Analysis of Nederlof's algorithm for subset sum

Lihua Liu, Zhen Chen, Zhengjun Cao

arxiv:1807.02075 v2 · 2018-06-10 · 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{TWZAYPWWN53SJ76BYHQWANTFFV}

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	2026-05-18T00:11:23.055388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db20c3ed66f7724ffc1c1e16036652d7bc3222158e3211385173e5a1f1738d4

Aliases

arxiv: 1807.02075 · arxiv_version: 1807.02075v2 · doi: 10.48550/arxiv.1807.02075 · pith_short_12: TWZAYPWWN53S · pith_short_16: TWZAYPWWN53SJ76B · pith_short_8: TWZAYPWW

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/TWZAYPWWN53SJ76BYHQWANTFFV \
  | 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: 9db20c3ed66f7724ffc1c1e16036652d7bc3222158e3211385173e5a1f1738d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ce69101824db90a50f17c368e34d99b097a69022c2d9278e0fb9648aa67928",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-10T03:41:09Z",
    "title_canon_sha256": "04114284fdd40987bc77038747f6046030a562c05c598123b5080a1b1e4a879e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02075",
    "kind": "arxiv",
    "version": 2
  }
}