Pith Number

pith:SKP57U5K

pith:2016:SKP57U5KEPQKLH4VOQUE3OOXQH

not attested not anchored not stored refs pending

Investigating Bias in Maximum Likelihood Quantum State Tomography

G. B. Silva, H. M. Vasconcelos, S. Glancy

arxiv:1604.00321 v2 · 2016-04-01 · 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{SKP57U5KEPQKLH4VOQUE3OOXQH}

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	2026-05-18T00:50:47.813903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

929fdfd3aa23e0a59f9574284db9d781f004177fd069b81dbdb50a9ef7daa61a

Aliases

arxiv: 1604.00321 · arxiv_version: 1604.00321v2 · doi: 10.48550/arxiv.1604.00321 · pith_short_12: SKP57U5KEPQK · pith_short_16: SKP57U5KEPQKLH4V · pith_short_8: SKP57U5K

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/SKP57U5KEPQKLH4VOQUE3OOXQH \
  | 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: 929fdfd3aa23e0a59f9574284db9d781f004177fd069b81dbdb50a9ef7daa61a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2deb7401946b594fc3ba0171ad74427647159f9637bc3b900c977eea93e447d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-01T16:35:51Z",
    "title_canon_sha256": "0def683ba272d1d5de983cbb75ed2cc13360095a89c5661e33d35eab04033ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00321",
    "kind": "arxiv",
    "version": 2
  }
}