Pith Number

pith:62VQZSD6

pith:2003:62VQZSD64CAJRH22W74RZFBG2R

not attested not anchored not stored refs pending

Best conventional solutions to the King's Problem

P. K. Aravind

arxiv:quant-ph/0306119 v3 · 2003-06-17 · 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{62VQZSD64CAJRH22W74RZFBG2R}

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	2026-05-18T01:37:59.315460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6ab0cc87ee080989f5ab7f91c9426d45510e672e8a849951691057f681ba62c

Aliases

arxiv: quant-ph/0306119 · arxiv_version: quant-ph/0306119v3 · doi: 10.48550/arxiv.quant-ph/0306119 · pith_short_12: 62VQZSD64CAJ · pith_short_16: 62VQZSD64CAJRH22 · pith_short_8: 62VQZSD6

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/62VQZSD64CAJRH22W74RZFBG2R \
  | 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: f6ab0cc87ee080989f5ab7f91c9426d45510e672e8a849951691057f681ba62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804d27cabc3783c03a302f3c9bc458dfa2fa0a3b18a0d01d181e23a10fe6c7a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-06-17T21:58:14Z",
    "title_canon_sha256": "e94993af741ac99f835e8a7f95f244f85585309b61b4e571172777b4565a506d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0306119",
    "kind": "arxiv",
    "version": 3
  }
}