Pith Number

pith:5R5DOFTZ

pith:2018:5R5DOFTZUMSF5DLLL5MB4C5LBB

not attested not anchored not stored refs pending

Delta-Decision Procedures for Exists-Forall Problems over the Reals

Armando Solar-Lezama, Sicun Gao, Soonho Kong

arxiv:1807.08137 v1 · 2018-07-21 · 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{5R5DOFTZUMSF5DLLL5MB4C5LBB}

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	2026-05-18T00:10:09.167751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7a371679a3245e8d6b5f581e0bab087b94a5a6e0d5fb7b04af7624a031e6e9

Aliases

arxiv: 1807.08137 · arxiv_version: 1807.08137v1 · doi: 10.48550/arxiv.1807.08137 · pith_short_12: 5R5DOFTZUMSF · pith_short_16: 5R5DOFTZUMSF5DLL · pith_short_8: 5R5DOFTZ

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/5R5DOFTZUMSF5DLLL5MB4C5LBB \
  | 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: ec7a371679a3245e8d6b5f581e0bab087b94a5a6e0d5fb7b04af7624a031e6e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520d86e0fc3a3eed68ae9089af5c1ddd0f718c55ad002e990a4d87eb2f2ece03",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-07-21T12:14:59Z",
    "title_canon_sha256": "b2773fee3cb6a156ef9b5f2c1ceabcc989059d34283571ef0379a34f95e6150e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08137",
    "kind": "arxiv",
    "version": 1
  }
}