Pith Number

pith:SDZDUKBC

pith:2016:SDZDUKBCH5TZ3IW3ZHXB4X7H2G

not attested not anchored not stored refs pending

Fast Verifying Proofs of Propositional Unsatisfiability via Window Shifting

Jingchao Chen

arxiv:1611.04838 v4 · 2016-11-15 · cs.SE · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDZDUKBCH5TZ3IW3ZHXB4X7H2G}

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	2026-05-18T00:12:35.602219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f23a28223f679da2dbc9ee1e5fe7d18fe6fbe8ed2a1fe3d2012f99ee39b356

Aliases

arxiv: 1611.04838 · arxiv_version: 1611.04838v4 · doi: 10.48550/arxiv.1611.04838 · pith_short_12: SDZDUKBCH5TZ · pith_short_16: SDZDUKBCH5TZ3IW3 · pith_short_8: SDZDUKBC

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/SDZDUKBCH5TZ3IW3ZHXB4X7H2G \
  | 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: 90f23a28223f679da2dbc9ee1e5fe7d18fe6fbe8ed2a1fe3d2012f99ee39b356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8fe1227f55da1eb964547a3f9da366cd928ed1aa2f1c872b57e6e245cef2fc",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-11-15T14:07:54Z",
    "title_canon_sha256": "c601401144ffa3006b289428aa7182a70613c035a0b5c5b9cdc3bb98e930279c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04838",
    "kind": "arxiv",
    "version": 4
  }
}