Pith Number

pith:IKDXPJTO

pith:2016:IKDXPJTOQDHC25FCAIZUQ5Z7FR

not attested not anchored not stored refs pending

Faster Space-Efficient Algorithms for Subset Sum, k-Sum and Related Problems

Jesper Nederlof, Nikhil Bansal, Nikhil Vyas, Shashwat Garg

arxiv:1612.02788 v2 · 2016-12-08 · cs.DS · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKDXPJTOQDHC25FCAIZUQ5Z7FR}

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	2026-05-18T00:41:47.833856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428777a66e80ce2d74a2023348773f2c51ceac1e22a77946a631bcc259b61f36

Aliases

arxiv: 1612.02788 · arxiv_version: 1612.02788v2 · doi: 10.48550/arxiv.1612.02788 · pith_short_12: IKDXPJTOQDHC · pith_short_16: IKDXPJTOQDHC25FC · pith_short_8: IKDXPJTO

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/IKDXPJTOQDHC25FCAIZUQ5Z7FR \
  | 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: 428777a66e80ce2d74a2023348773f2c51ceac1e22a77946a631bcc259b61f36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09b93848d396296a7087dad5300591b1e4cc452c0ea3acce9ef7fcafaf77d1c3",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-12-08T20:09:55Z",
    "title_canon_sha256": "3b9d1cac3b39f0db72a6c4372c8a79394fa04f9f70a96dbbf5ac7edacea8c96d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02788",
    "kind": "arxiv",
    "version": 2
  }
}