Pith Number

pith:MTITQJTQ

pith:2019:MTITQJTQ4AVFGAEU3MF2KUEA3C

not attested not anchored not stored refs pending

Quantum Fisher information and coherence of an atom in a dissipative cavity

Danping Lin, Hong-Mei Zou, Jianhe Yang, Rongfang Liu

arxiv:1912.05760 v2 · 2019-12-12 · 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{MTITQJTQ4AVFGAEU3MF2KUEA3C}

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	2026-07-05T01:20:13.946249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64d1382670e02a530094db0ba55080d89d4a90bbb9e4e052de3e6f47b6296129

Aliases

arxiv: 1912.05760 · arxiv_version: 1912.05760v2 · doi: 10.48550/arxiv.1912.05760 · pith_short_12: MTITQJTQ4AVF · pith_short_16: MTITQJTQ4AVFGAEU · pith_short_8: MTITQJTQ

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/MTITQJTQ4AVFGAEU3MF2KUEA3C \
  | 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: 64d1382670e02a530094db0ba55080d89d4a90bbb9e4e052de3e6f47b6296129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8396a34d6b78a2196e78f09399726342d94c8a2733601569010068ec6fbd2789",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-12-12T03:43:27Z",
    "title_canon_sha256": "f9136d57d1fa393069053cf8c61b97ca9be30cf84d888d232dfa4225a5ba26e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05760",
    "kind": "arxiv",
    "version": 2
  }
}