Pith Number

pith:OOBJOBIL

pith:2011:OOBJOBILGP5F54JECWTYHYFE2I

not attested not anchored not stored refs pending

On the satisfiability of random regular signed SAT formulas

Christian Laus, Dirk Oliver Theis

arxiv:1112.1360 v1 · 2011-12-06 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOBJOBILGP5F54JECWTYHYFE2I}

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	2026-05-18T04:06:54.585682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738297050b33fa5ef12415a783e0a4d21a732d2730e78890c9084ba9162ad31b

Aliases

arxiv: 1112.1360 · arxiv_version: 1112.1360v1 · doi: 10.48550/arxiv.1112.1360 · pith_short_12: OOBJOBILGP5F · pith_short_16: OOBJOBILGP5F54JE · pith_short_8: OOBJOBIL

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/OOBJOBILGP5F54JECWTYHYFE2I \
  | 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: 738297050b33fa5ef12415a783e0a4d21a732d2730e78890c9084ba9162ad31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c7c0405be4d88d6daeaf8c2ef54a6e4d6f5ca6d7e2f836b3b9bd95ae1ff054f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-12-06T18:01:26Z",
    "title_canon_sha256": "15d7da217d3368b21fa80fdb661eb3ae5e32f3d86cc3f7734e69fb98d098d0de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1360",
    "kind": "arxiv",
    "version": 1
  }
}