Pith Number

pith:POLBISKK

pith:2014:POLBISKKPZ2IGFK7TMS2K4YDT7

not attested not anchored not stored refs pending

Subclasses of Presburger Arithmetic and the Weak EXP Hierarchy

Christoph Haase

arxiv:1401.5266 v2 · 2014-01-21 · 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{POLBISKKPZ2IGFK7TMS2K4YDT7}

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	2026-05-18T02:41:26.134767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b9614494a7e7483155f9b25a573039ff2d822273079536e5bd145ae2d10106d

Aliases

arxiv: 1401.5266 · arxiv_version: 1401.5266v2 · doi: 10.48550/arxiv.1401.5266 · pith_short_12: POLBISKKPZ2I · pith_short_16: POLBISKKPZ2IGFK7 · pith_short_8: POLBISKK

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/POLBISKKPZ2IGFK7TMS2K4YDT7 \
  | 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: 7b9614494a7e7483155f9b25a573039ff2d822273079536e5bd145ae2d10106d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aeed13e13d45735e5e5b78b4a683780d68a933de36409db3605a7ad3d2354d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-21T11:13:27Z",
    "title_canon_sha256": "3156e372934a8184026f2b2063e8ce86b03e81ef53c31597a67581102746e7b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5266",
    "kind": "arxiv",
    "version": 2
  }
}