Pith Number

pith:7CVEY3RU

pith:2019:7CVEY3RUYOV6G6OLTCXSAYQR3E

not attested not anchored not stored refs pending

Fair sampling of ground-state configurations of binary optimization problems

Andrew J. Ochoa, Helmut G. Katzgraber, Zheng Zhu

arxiv:1903.07600 v2 · 2019-03-18 · cond-mat.dis-nn · 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{7CVEY3RUYOV6G6OLTCXSAYQR3E}

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	2026-05-17T23:42:13.608023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8aa4c6e34c3abe379cb98af206211d926d161d8f9b1eb5c3869a4712c019804

Aliases

arxiv: 1903.07600 · arxiv_version: 1903.07600v2 · doi: 10.48550/arxiv.1903.07600 · pith_short_12: 7CVEY3RUYOV6 · pith_short_16: 7CVEY3RUYOV6G6OL · pith_short_8: 7CVEY3RU

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/7CVEY3RUYOV6G6OLTCXSAYQR3E \
  | 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: f8aa4c6e34c3abe379cb98af206211d926d161d8f9b1eb5c3869a4712c019804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e851f096c4626f7be15e3a27eb6abaad84dcb7a7686474de0de7d703a354532b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2019-03-18T17:46:11Z",
    "title_canon_sha256": "76f73ad4f58b57860098a3d71f78f02aa29461f08ffed01aea345cdf62365824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07600",
    "kind": "arxiv",
    "version": 2
  }
}