Pith Number

pith:FTP76IDI

pith:2019:FTP76IDI7B6ZY2AYWVJQZXQCUQ

not attested not anchored not stored refs pending

Quasi-exact quantum computation

Cihan Okay, Dong-Sheng Wang, Guanyu Zhu, Raymond Laflamme

arxiv:1910.00038 v3 · 2019-09-30 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTP76IDI7B6ZY2AYWVJQZXQCUQ}

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	2026-07-05T01:22:37.781112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cdfff2068f87d9c6818b5530cde02a437662a767b6e95783d70621310697cc6

Aliases

arxiv: 1910.00038 · arxiv_version: 1910.00038v3 · doi: 10.48550/arxiv.1910.00038 · pith_short_12: FTP76IDI7B6Z · pith_short_16: FTP76IDI7B6ZY2AY · pith_short_8: FTP76IDI

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/FTP76IDI7B6ZY2AYWVJQZXQCUQ \
  | 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: 2cdfff2068f87d9c6818b5530cde02a437662a767b6e95783d70621310697cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9c5d35c57245189902427f0681ebc3bfbff028d9ab601052a37fd0d37ea1f66",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-30T18:09:44Z",
    "title_canon_sha256": "cf1ab4728ff31c6183abf244e728dc24d8013c9ed1020b7a46ad0fabf2b8a9cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00038",
    "kind": "arxiv",
    "version": 3
  }
}