Pith Number

pith:FDKXONXZ

pith:2006:FDKXONXZSUMM22WUEYNHI3I7UO

not attested not anchored not stored refs pending

Compatibility of subsystem states and convex geometry

William Hall (University of York)

arxiv:quant-ph/0610031 v2 · 2006-10-05 · 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{FDKXONXZSUMM22WUEYNHI3I7UO}

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	2026-05-18T03:24:19.341087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d57736f99518cd6ad4261a746d1fa3aea390327e244087a4956f54e07e45c6

Aliases

arxiv: quant-ph/0610031 · arxiv_version: quant-ph/0610031v2 · doi: 10.48550/arxiv.quant-ph/0610031 · pith_short_12: FDKXONXZSUMM · pith_short_16: FDKXONXZSUMM22WU · pith_short_8: FDKXONXZ

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/FDKXONXZSUMM22WUEYNHI3I7UO \
  | 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: 28d57736f99518cd6ad4261a746d1fa3aea390327e244087a4956f54e07e45c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c7e3f1ea703fdf9c7a79d2d1e790125c5d85de9c40edb85956406061d7012a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-10-05T10:46:22Z",
    "title_canon_sha256": "837c8a6663561111fa0315a11d10ce02bb5a57bd82c7b85c604fc0ebb309ecc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0610031",
    "kind": "arxiv",
    "version": 2
  }
}