Pith Number

pith:2ESVDLLH

pith:2014:2ESVDLLHBNVDW4UMRWBKS6LOAI

not attested not anchored not stored refs pending

On the satisfiability problem for SPARQL patterns

Fran\c{c}ois Picalausa, Jan Van den Bussche, Xiaowang Zhang

arxiv:1406.1404 v2 · 2014-06-05 · cs.DB · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ESVDLLHBNVDW4UMRWBKS6LOAI}

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	2026-05-18T01:13:05.203017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12551ad670b6a3b728c8d82a9796e02262c737aa0b87ad9cd65a205109c5e4c

Aliases

arxiv: 1406.1404 · arxiv_version: 1406.1404v2 · doi: 10.48550/arxiv.1406.1404 · pith_short_12: 2ESVDLLHBNVD · pith_short_16: 2ESVDLLHBNVDW4UM · pith_short_8: 2ESVDLLH

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/2ESVDLLHBNVDW4UMRWBKS6LOAI \
  | 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: d12551ad670b6a3b728c8d82a9796e02262c737aa0b87ad9cd65a205109c5e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1eca238006f45788f7172da452dd9d9b0a6c3cf2e3634636b4708e17c029d5",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-06-05T14:48:04Z",
    "title_canon_sha256": "f24864b7a6aa4ffda52305f333a9d8f2b9299cc908b7e804d4eaf90f762e74c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1404",
    "kind": "arxiv",
    "version": 2
  }
}