Pith Number

pith:WSSFUCMR

pith:2018:WSSFUCMRQCZCICENLLM3KCBBUP

not attested not anchored not stored refs pending

Open source software in quantum computing

Mark Fingerhuth, Peter Wittek, Tom\'a\v{s} Babej

arxiv:1812.09167 v1 · 2018-12-21 · quant-ph · cs.MS · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSSFUCMRQCZCICENLLM3KCBBUP}

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	2026-05-17T23:57:45.180357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a45a099180b224088d5ad9b50821a3d47a5b57b87cb2b25d8fd6d9f7be4132

Aliases

arxiv: 1812.09167 · arxiv_version: 1812.09167v1 · doi: 10.48550/arxiv.1812.09167 · pith_short_12: WSSFUCMRQCZC · pith_short_16: WSSFUCMRQCZCICEN · pith_short_8: WSSFUCMR

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/WSSFUCMRQCZCICENLLM3KCBBUP \
  | 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: b4a45a099180b224088d5ad9b50821a3d47a5b57b87cb2b25d8fd6d9f7be4132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc582ab8d8fcd589ae12035eb0012fa5e59a59d1232b2f7f0ef7fac17ed01418",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-21T14:56:18Z",
    "title_canon_sha256": "d00449d7547220f449e76fed2fa970c4b831611274bee7fd7745d5feab0eea2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09167",
    "kind": "arxiv",
    "version": 1
  }
}