Pith Number

pith:OEAPE6UT

pith:2007:OEAPE6UT7EI6ZNKMYPRNPY5IUR

not attested not anchored not stored refs pending

Polynomial-time algorithm for simulation of weakly interacting quantum spin systems

Daniel Loss, David DiVincenzo, Sergey Bravyi

arxiv:0707.1894 v1 · 2007-07-12 · 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{OEAPE6UT7EI6ZNKMYPRNPY5IUR}

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	2026-07-04T17:04:39.749346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7100f27a93f911ecb54cc3e2d7e3a8a4459fb7acaa12d8a337560cc4d8dc014e

Aliases

arxiv: 0707.1894 · arxiv_version: 0707.1894v1 · doi: 10.48550/arxiv.0707.1894 · pith_short_12: OEAPE6UT7EI6 · pith_short_16: OEAPE6UT7EI6ZNKM · pith_short_8: OEAPE6UT

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/OEAPE6UT7EI6ZNKMYPRNPY5IUR \
  | 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: 7100f27a93f911ecb54cc3e2d7e3a8a4459fb7acaa12d8a337560cc4d8dc014e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1070348bbd9ddb96614d1abd71c15b38f0a9c98f3a8f016fbf51dbc66d0dcc1d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-07-12T22:31:48Z",
    "title_canon_sha256": "4721314ccf61627abd976b48057ed1ce324037535d4b43474f627f4ad533d7b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.1894",
    "kind": "arxiv",
    "version": 1
  }
}