Pith Number

pith:I4S36EHF

pith:2018:I4S36EHFYSJGGJVBR7D46RKKDX

not attested not anchored not stored refs pending

Multiparameter estimation, lower bound on quantum Fisher information and non-Markovianity witnesses of noisy two-qubit systems

Hossein Rangani Jahromi, Mansoureh Amini, Mohammad Ghanaatian

arxiv:1812.06172 v3 · 2018-12-14 · 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{I4S36EHFYSJGGJVBR7D46RKKDX}

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	2026-07-05T01:31:20.502154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4725bf10e5c4926326a18fc7cf454a1dc812321dc5f68365b56484278dbdc177

Aliases

arxiv: 1812.06172 · arxiv_version: 1812.06172v3 · doi: 10.48550/arxiv.1812.06172 · pith_short_12: I4S36EHFYSJG · pith_short_16: I4S36EHFYSJGGJVB · pith_short_8: I4S36EHF

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/I4S36EHFYSJGGJVBR7D46RKKDX \
  | 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: 4725bf10e5c4926326a18fc7cf454a1dc812321dc5f68365b56484278dbdc177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1a6754ebed36d41b4cbd266e43fdac6ad89c244d584f8ee87f3285a57c212d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-14T21:29:18Z",
    "title_canon_sha256": "28f39a662641210a29d8c0655614c57671d2c16b3990bbfffa52d5e039851fb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06172",
    "kind": "arxiv",
    "version": 3
  }
}