Pith Number

pith:FZ235NGV

pith:2009:FZ235NGV6X3HUXR4HVV5DUNULV

not attested not anchored not stored refs pending

Comments on Hastings' Additivity Counterexamples

Christopher King, David Moser, Motohisa Fukuda

arxiv:0905.3697 v1 · 2009-05-22 · 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{FZ235NGV6X3HUXR4HVV5DUNULV}

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	2026-05-18T02:32:46.709376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e75beb4d5f5f67a5e3c3d6bd1d1b45d4a46f803ed5b4472c2bb8af3bf6aedf8

Aliases

arxiv: 0905.3697 · arxiv_version: 0905.3697v1 · doi: 10.48550/arxiv.0905.3697 · pith_short_12: FZ235NGV6X3H · pith_short_16: FZ235NGV6X3HUXR4 · pith_short_8: FZ235NGV

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/FZ235NGV6X3HUXR4HVV5DUNULV \
  | 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: 2e75beb4d5f5f67a5e3c3d6bd1d1b45d4a46f803ed5b4472c2bb8af3bf6aedf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8771e19d17fd43b6969c879f118c772994e2e4dde3a849fee1c086975d8ad8b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-22T14:58:59Z",
    "title_canon_sha256": "42d3abdd155b520d700d35d699be50c9934ce6be96d6d4fe320fdc4b1c8e27de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3697",
    "kind": "arxiv",
    "version": 1
  }
}