Pith Number

pith:KSOMBWFM

pith:2019:KSOMBWFMJUJBOE7KLUFTI5NLGQ

not attested not anchored not stored refs pending

Making Quantum Computing Open: Lessons from Open-Source Projects

Caleb Thomas, Paige Rodeghero, Ruslan Shaydulin

arxiv:1902.00991 v2 · 2019-02-03 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSOMBWFMJUJBOE7KLUFTI5NLGQ}

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	2026-07-05T04:31:54.798727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

549cc0d8ac4d121713ea5d0b3475ab340073b724ca99091baa35b7ad163142d8

Aliases

arxiv: 1902.00991 · arxiv_version: 1902.00991v2 · doi: 10.48550/arxiv.1902.00991 · pith_short_12: KSOMBWFMJUJB · pith_short_16: KSOMBWFMJUJBOE7K · pith_short_8: KSOMBWFM

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/KSOMBWFMJUJBOE7KLUFTI5NLGQ \
  | 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: 549cc0d8ac4d121713ea5d0b3475ab340073b724ca99091baa35b7ad163142d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35fce688827ce9ce8a03d9080a70f5781312570a3573b98df6dba42f8169c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-02-03T23:39:20Z",
    "title_canon_sha256": "3a38aebde54f128d10d5ad305715d9f6d182bfb50b329fac334fe787fd3e3528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00991",
    "kind": "arxiv",
    "version": 2
  }
}