Pith Number

pith:JLP4DVFV

pith:2013:JLP4DVFVP3IDNR3A7FYLOWVVV3

not attested not anchored not stored refs pending

Polyestimate: instantaneous open source surface code analysis

Austin G. Fowler

arxiv:1307.0689 v1 · 2013-07-02 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLP4DVFVP3IDNR3A7FYLOWVVV3}

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	2026-05-18T03:19:24.805744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4adfc1d4b57ed036c760f970b75ab5aefc689a3343bf558ea119d37d7122b7b1

Aliases

arxiv: 1307.0689 · arxiv_version: 1307.0689v1 · doi: 10.48550/arxiv.1307.0689 · pith_short_12: JLP4DVFVP3ID · pith_short_16: JLP4DVFVP3IDNR3A · pith_short_8: JLP4DVFV

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/JLP4DVFVP3IDNR3A7FYLOWVVV3 \
  | 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: 4adfc1d4b57ed036c760f970b75ab5aefc689a3343bf558ea119d37d7122b7b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163385d3ea13999bc459da350e27e2ef0103e15ffaad8fbc2eb4751213f62b6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-02T11:46:09Z",
    "title_canon_sha256": "c730f2a53500ed055495be5ed1505a75dbd50e6194049e22d98889bdd6c96a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0689",
    "kind": "arxiv",
    "version": 1
  }
}