Pith Number

pith:WRJIZ5SX

pith:2009:WRJIZ5SXBR4VUXPNSMV7O2ICD6

not attested not anchored not stored refs pending

Probabilistic growth of large entangled states with low error accumulation

Joseph Fitzsimons, Simon C Benjamin, Yuichiro Matsuzaki

arxiv:0908.0291 v1 · 2009-08-03 · 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{WRJIZ5SXBR4VUXPNSMV7O2ICD6}

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	2026-05-18T03:23:58.394442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4528cf6570c795a5ded932bf769021fb62bdf5fec91ca4a6fe023a14ec29b99

Aliases

arxiv: 0908.0291 · arxiv_version: 0908.0291v1 · doi: 10.48550/arxiv.0908.0291 · pith_short_12: WRJIZ5SXBR4V · pith_short_16: WRJIZ5SXBR4VUXPN · pith_short_8: WRJIZ5SX

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/WRJIZ5SXBR4VUXPNSMV7O2ICD6 \
  | 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: b4528cf6570c795a5ded932bf769021fb62bdf5fec91ca4a6fe023a14ec29b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b7690157cf21ba9deb29da64539131c4973df47c4b923e837593b7a3633fa3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-03T16:30:25Z",
    "title_canon_sha256": "ae32b24c9f094e0f4ade2725ebe535b60654eed71f915d45e7e37567f53c5c69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0291",
    "kind": "arxiv",
    "version": 1
  }
}