Pith Number

pith:3FYFO2MW

pith:2015:3FYFO2MWN4XDZBGIE2MSD7Z6KT

not attested not anchored not stored refs pending

A Concurrency Problem with Exponential DPLL(T) Proofs

Alex Horn, Liana Hadarean, Tim King

arxiv:1506.01602 v1 · 2015-06-04 · 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{3FYFO2MWN4XDZBGIE2MSD7Z6KT}

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	2026-05-18T01:57:18.468646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9705769966f2e3c84c8269921ff3e54c84b2c8cf3a150dc071536119ba01b64

Aliases

arxiv: 1506.01602 · arxiv_version: 1506.01602v1 · doi: 10.48550/arxiv.1506.01602 · pith_short_12: 3FYFO2MWN4XD · pith_short_16: 3FYFO2MWN4XDZBGI · pith_short_8: 3FYFO2MW

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/3FYFO2MWN4XDZBGIE2MSD7Z6KT \
  | 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: d9705769966f2e3c84c8269921ff3e54c84b2c8cf3a150dc071536119ba01b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dfebfb933e9d1fd058b5907f6521d534e4750fa7af150392f8799fd4cc1e73a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-06-04T14:18:54Z",
    "title_canon_sha256": "a12013423b122ab824e6b64541a6d4ef070ecab4e85aaac856833628d9121981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01602",
    "kind": "arxiv",
    "version": 1
  }
}