Pith Number

pith:HPYO6FMU

pith:2014:HPYO6FMUEAFE2FC7JO2XXQVFU2

not attested not anchored not stored refs pending

DL-PA and DCL-PC: model checking and satisfiability problem are indeed in PSPACE

Andreas Herzig, Fran\c{c}ois Schwarzentruber, Nicolas Troquard, Philippe Balbiani

arxiv:1411.7825 v1 · 2014-11-28 · 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{HPYO6FMUEAFE2FC7JO2XXQVFU2}

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	2026-05-18T02:32:37.164040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf0ef1594200a4d145f4bb57bc2a5a6b626b0b04b94c3b88f21151178099cba

Aliases

arxiv: 1411.7825 · arxiv_version: 1411.7825v1 · doi: 10.48550/arxiv.1411.7825 · pith_short_12: HPYO6FMUEAFE · pith_short_16: HPYO6FMUEAFE2FC7 · pith_short_8: HPYO6FMU

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/HPYO6FMUEAFE2FC7JO2XXQVFU2 \
  | 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: 3bf0ef1594200a4d145f4bb57bc2a5a6b626b0b04b94c3b88f21151178099cba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e0629654dd4d13380f1808f8b2bd9df625a024857c502eb184203219afb9c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-11-28T11:48:10Z",
    "title_canon_sha256": "87cd84769340e814049e28b2515dc79d33ed0f12bfba79b815a2da1b7fb03c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7825",
    "kind": "arxiv",
    "version": 1
  }
}