Pith Number

pith:NSWQINK6

pith:2015:NSWQINK6ASCVMLOBBDYHWUF3PT

not attested not anchored not stored refs pending

Making problems tractable on big data via preprocessing with polylog-size output

Hanpin Wang, Jiannan Yang, Yongzhi Cao

arxiv:1510.00229 v1 · 2015-10-01 · 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{NSWQINK6ASCVMLOBBDYHWUF3PT}

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	2026-05-18T01:31:20.400339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cad04355e0485562dc108f07b50bb7cfda121a6803e1cf34237ddf6ddd9e06e

Aliases

arxiv: 1510.00229 · arxiv_version: 1510.00229v1 · doi: 10.48550/arxiv.1510.00229 · pith_short_12: NSWQINK6ASCV · pith_short_16: NSWQINK6ASCVMLOB · pith_short_8: NSWQINK6

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/NSWQINK6ASCVMLOBBDYHWUF3PT \
  | 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: 6cad04355e0485562dc108f07b50bb7cfda121a6803e1cf34237ddf6ddd9e06e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7268d04bb24301db729b500ca018bff63b918bf2c43bab3d7b7637c681d24cba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-10-01T13:43:24Z",
    "title_canon_sha256": "4a3478394aa6a4557d83baa7dc6f25febde8c7690c37488a17ad681717c4f1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00229",
    "kind": "arxiv",
    "version": 1
  }
}