Pith Number

pith:7AX4U5MG

pith:2016:7AX4U5MGKCNHBGH5UHJYSM5655

not attested not anchored not stored refs pending

Quantum estimation of unknown parameters

Carlos Pineda, Esteban Martinez, Fran\c{c}ois Leyvraz, Pablo Barberis-Blostein

arxiv:1606.07899 v2 · 2016-06-25 · 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{7AX4U5MGKCNHBGH5UHJYSM5655}

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	2026-05-18T00:51:25.549541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82fca7586509a7098fda1d38933beef575322f8ff64a02bdab74d7993fbfa0b

Aliases

arxiv: 1606.07899 · arxiv_version: 1606.07899v2 · doi: 10.48550/arxiv.1606.07899 · pith_short_12: 7AX4U5MGKCNH · pith_short_16: 7AX4U5MGKCNHBGH5 · pith_short_8: 7AX4U5MG

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/7AX4U5MGKCNHBGH5UHJYSM5655 \
  | 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: f82fca7586509a7098fda1d38933beef575322f8ff64a02bdab74d7993fbfa0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75090ab9a3af4f8d371a129391c47fd0c80120cb0ada77b1dec7d1f54f2a5515",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-06-25T12:00:27Z",
    "title_canon_sha256": "8e8ccb9dd4632942590e499c20a252c1b8d31ee49d4245912e1cc28713732caf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07899",
    "kind": "arxiv",
    "version": 2
  }
}