Pith Number

pith:DBKTR4G4

pith:2019:DBKTR4G4Z4UYGWQP3NQTSRVZVT

not attested not anchored not stored refs pending

Elucidating the interplay between non-stoquasticity and the sign problem

Itay Hen, Lalit Gupta

arxiv:1910.13867 v1 · 2019-10-29 · 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{DBKTR4G4Z4UYGWQP3NQTSRVZVT}

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.

Cited by

1 paper in Pith

Twisted quantum doubles are sign problem-free

Receipt and verification

First computed	2026-07-05T00:15:56.998019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185538f0dccf29835a0fdb613946b9acff8301ab3f9e49ca5b1f4090800dda45

Aliases

arxiv: 1910.13867 · arxiv_version: 1910.13867v1 · doi: 10.48550/arxiv.1910.13867 · pith_short_12: DBKTR4G4Z4UY · pith_short_16: DBKTR4G4Z4UYGWQP · pith_short_8: DBKTR4G4

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/DBKTR4G4Z4UYGWQP3NQTSRVZVT \
  | 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: 185538f0dccf29835a0fdb613946b9acff8301ab3f9e49ca5b1f4090800dda45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2020bd49c619ff3270cf0fbdd9151a7ae8c89d33bb02baacf8cc4c1de5a0329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-10-29T02:08:20Z",
    "title_canon_sha256": "1da8c52645b29445e17e5598b0149f95dd96e232429d815615bf2d9d2f126a53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13867",
    "kind": "arxiv",
    "version": 1
  }
}