Pith Number

pith:N3EF7YSR

pith:2012:N3EF7YSRZQ3BJSSKPLTRCLJAVC

not attested not anchored not stored refs pending

Quantum State Tomography Using Successive Measurements

Amir Kalev, Pier A. Mello

arxiv:1204.6094 v1 · 2012-04-27 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3EF7YSRZQ3BJSSKPLTRCLJAVC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:57:43.455650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ec85fe251cc3614ca4a7ae7112d20a88afdd6ada2ed175f26eb06ec524f5b8d

Aliases

arxiv: 1204.6094 · arxiv_version: 1204.6094v1 · doi: 10.48550/arxiv.1204.6094 · pith_short_12: N3EF7YSRZQ3B · pith_short_16: N3EF7YSRZQ3BJSSK · pith_short_8: N3EF7YSR

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/N3EF7YSRZQ3BJSSKPLTRCLJAVC \
  | 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: 6ec85fe251cc3614ca4a7ae7112d20a88afdd6ada2ed175f26eb06ec524f5b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af95a91b1c5e00e855fbe996e83116a7dbc15a45c05334f0d52eebcf2a8404c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-27T00:53:32Z",
    "title_canon_sha256": "645a834f5d0fc0b1bb7f3f67a877d3e443223e4f809f4d83a2f435a3de678c27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6094",
    "kind": "arxiv",
    "version": 1
  }
}