pith. sign in
Pith Number

pith:UWR73ONE

pith:2016:UWR73ONEL5WMUFDD64D7EHPEQD
not attested not anchored not stored refs pending

Monotone 3-Sat-4 is NP-complete

Andreas Darmann, Janosch D\"ocker

arxiv:1603.07881 v1 · 2016-03-25 · cs.CC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UWR73ONEL5WMUFDD64D7EHPEQD}

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 2026-05-18T01:18:15.994093Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a5a3fdb9a45f6cca1463f707f21de480d5bc830f72c9f35b480eb21817a68eb5

Aliases

arxiv: 1603.07881 · arxiv_version: 1603.07881v1 · doi: 10.48550/arxiv.1603.07881 · pith_short_12: UWR73ONEL5WM · pith_short_16: UWR73ONEL5WMUFDD · pith_short_8: UWR73ONE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UWR73ONEL5WMUFDD64D7EHPEQD \
  | 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: a5a3fdb9a45f6cca1463f707f21de480d5bc830f72c9f35b480eb21817a68eb5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "23cca5c4d3170f4c126ddf0ed612d01bc786ed7257f1f1d4fd135d4fc106f4da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-03-25T11:13:56Z",
    "title_canon_sha256": "f5c431609b32c18a86f6d6d550978c4df28ebe56758df6b81827f9f5f4059a55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07881",
    "kind": "arxiv",
    "version": 1
  }
}