Pith Number

pith:3543IWAC

pith:2009:3543IWACA4OWJUJRA2OTPMVVCM

not attested not anchored not stored refs pending

Bounds on the quantum satisfiability threshold

Alexander Russell, Cristopher Moore, Sergey Bravyi

arxiv:0907.1297 v3 · 2009-07-07 · quant-ph · cond-mat.stat-mech · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3543IWACA4OWJUJRA2OTPMVVCM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:42:37.683966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df79b45802071d64d131069d37b2b5133b0a60884efb24b62a007727bdf6f527

Aliases

arxiv: 0907.1297 · arxiv_version: 0907.1297v3 · doi: 10.48550/arxiv.0907.1297 · pith_short_12: 3543IWACA4OW · pith_short_16: 3543IWACA4OWJUJR · pith_short_8: 3543IWAC

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/3543IWACA4OWJUJRA2OTPMVVCM \
  | 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: df79b45802071d64d131069d37b2b5133b0a60884efb24b62a007727bdf6f527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41007afddbad164377d24e1d50a6fbd2faaa91eeff82f6950a449f0d361bc8c7",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-07T20:49:59Z",
    "title_canon_sha256": "1f9e21903e4d22b1da83171c572fbb7547f77ab48aeece4dafbb01919509886b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1297",
    "kind": "arxiv",
    "version": 3
  }
}