Pith Number

pith:CTRYC74R

pith:2000:CTRYC74R6N6PSMAZUBH4MZFEMZ

not attested not anchored not stored refs pending

On the Problem of Programming Quantum Computers

Anthony Hams, Hans De Raedt, Keiji Saito, Kristel Michielsen, Seiji Miyashita

arxiv:quant-ph/0008015 v2 · 2000-08-03 · 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{CTRYC74R6N6PSMAZUBH4MZFEMZ}

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	2026-07-04T14:45:30.681308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e3817f91f37cf93019a04fc664a4664061aca53ef36b8428fa9d728e8d8680

Aliases

arxiv: quant-ph/0008015 · arxiv_version: quant-ph/0008015v2 · doi: 10.48550/arxiv.quant-ph/0008015 · pith_short_12: CTRYC74R6N6P · pith_short_16: CTRYC74R6N6PSMAZ · pith_short_8: CTRYC74R

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/CTRYC74R6N6PSMAZUBH4MZFEMZ \
  | 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: 14e3817f91f37cf93019a04fc664a4664061aca53ef36b8428fa9d728e8d8680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2782cc3ea149fd14f807881d11b1a64f2b45d87732eb90ee9c74c1b0bbdb49c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-08-03T11:33:57Z",
    "title_canon_sha256": "d3c0a07c54b48e96fa3144945f11c47b90b229e80ffc5f2b16e69d8f35d4332e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0008015",
    "kind": "arxiv",
    "version": 2
  }
}