Pith Number

pith:4QVMHW5H

pith:2008:4QVMHW5HUEVDWILKVWP24ADZGF

not attested not anchored not stored refs pending

Control of state and state entanglement with a single auxiliary subsystem

A. R. Bosco de Magalh\~aes, J.G. Peixoto de Faria, M. C. Nemes, R. Rossi Jr.

arxiv:0809.4859 v1 · 2008-09-28 · 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{4QVMHW5HUEVDWILKVWP24ADZGF}

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	2026-05-18T03:49:22.650459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42ac3dba7a12a3b216aad9fae007931536f6580610e0c2943f74bc4dbde694f

Aliases

arxiv: 0809.4859 · arxiv_version: 0809.4859v1 · doi: 10.48550/arxiv.0809.4859 · pith_short_12: 4QVMHW5HUEVD · pith_short_16: 4QVMHW5HUEVDWILK · pith_short_8: 4QVMHW5H

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/4QVMHW5HUEVDWILKVWP24ADZGF \
  | 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: e42ac3dba7a12a3b216aad9fae007931536f6580610e0c2943f74bc4dbde694f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff4e8b7b2c3eb272de236fceeffac70784ee1b28877b71e93bf61b4050d7f17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-09-28T17:47:24Z",
    "title_canon_sha256": "eede65e904edf7042f7b5c104edc01db51a77bc79a84e362e3f5d36533d869c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4859",
    "kind": "arxiv",
    "version": 1
  }
}