Pith Number

pith:XLNMQSKU

pith:2003:XLNMQSKU67O5O7Q5XUZSFIURLV

not attested not anchored not stored refs pending

Requirement for quantum computation

Barry C. Sanders, Stephen D. Bartlett

arxiv:quant-ph/0302125 v2 · 2003-02-17 · 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{XLNMQSKU67O5O7Q5XUZSFIURLV}

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	2026-07-04T14:46:07.530865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

badac84954f7ddd77e1dbd3322a2915d50358f1b7788d890c95852c25face7af

Aliases

arxiv: quant-ph/0302125 · arxiv_version: quant-ph/0302125v2 · doi: 10.48550/arxiv.quant-ph/0302125 · pith_short_12: XLNMQSKU67O5 · pith_short_16: XLNMQSKU67O5O7Q5 · pith_short_8: XLNMQSKU

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/XLNMQSKU67O5O7Q5XUZSFIURLV \
  | 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: badac84954f7ddd77e1dbd3322a2915d50358f1b7788d890c95852c25face7af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c53263211623277c7149d0d327c33bc684b5124840aa345289a4c7f19d0f02c1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-02-17T03:43:28Z",
    "title_canon_sha256": "943c4f8e622d95134589a91d8a79db5e96b82b009189fe4bbbf6d3a61262fb02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0302125",
    "kind": "arxiv",
    "version": 2
  }
}