Pith Number

pith:TY7LG6Z3

pith:2011:TY7LG6Z3JGGTBNFYJK5CAOD2OH

not attested not anchored not stored refs pending

Width-parameterized SAT: Time-Space Tradeoffs

Bangsheng Tang, Periklis Papakonstantinou, Shiteng Chen, Tiancheng Lou

arxiv:1108.2385 v1 · 2011-08-11 · 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{TY7LG6Z3JGGTBNFYJK5CAOD2OH}

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	2026-05-18T04:15:37.852353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3eb37b3b498d30b4b84aba20387a71dd59a41d9dc26cb74cf2da1fc8d3d7ec

Aliases

arxiv: 1108.2385 · arxiv_version: 1108.2385v1 · doi: 10.48550/arxiv.1108.2385 · pith_short_12: TY7LG6Z3JGGT · pith_short_16: TY7LG6Z3JGGTBNFY · pith_short_8: TY7LG6Z3

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/TY7LG6Z3JGGTBNFYJK5CAOD2OH \
  | 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: 9e3eb37b3b498d30b4b84aba20387a71dd59a41d9dc26cb74cf2da1fc8d3d7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c6a8b5e6be8d5ef6d605593b195a43f791cf7daafd18f0051ee816510dcb88d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-08-11T12:18:26Z",
    "title_canon_sha256": "9122e550ada3fba8349017114813b4590726075c7e3cd4af9354a8390a6a6a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2385",
    "kind": "arxiv",
    "version": 1
  }
}