Pith Number

pith:RTWJA7SI

pith:2008:RTWJA7SI2KKIGWO2VRKYDW5ZQP

not attested not anchored not stored refs pending

Quantum state reconstruction using binary data from on/off photodetection

A. Meda, E. Predazzi, F. Piacentini, G. Brida, M. G. A. Paris, M. Genovese, M. Gramegna, P. Traina, S. Olivares

arxiv:0810.5472 v3 · 2008-10-30 · 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{RTWJA7SI2KKIGWO2VRKYDW5ZQP}

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	2026-05-18T04:34:09.084511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cec907e48d2948359daac5581dbb983e07a17f4557cbdf44e4ad128e74b4aee

Aliases

arxiv: 0810.5472 · arxiv_version: 0810.5472v3 · doi: 10.48550/arxiv.0810.5472 · pith_short_12: RTWJA7SI2KKI · pith_short_16: RTWJA7SI2KKIGWO2 · pith_short_8: RTWJA7SI

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/RTWJA7SI2KKIGWO2VRKYDW5ZQP \
  | 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: 8cec907e48d2948359daac5581dbb983e07a17f4557cbdf44e4ad128e74b4aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bec237ebe7e7edec8341603d463e3ade8292f675896be170a9dbc85c53644f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-30T14:53:31Z",
    "title_canon_sha256": "16ca92abcf72442bbbd73fce7a57887642f2dbfa58a4087ad0539c2e8edbf3bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5472",
    "kind": "arxiv",
    "version": 3
  }
}