Pith Number

pith:AFKWP5NH

pith:2019:AFKWP5NHFNZTI7QNEQBX7PP25N

not attested not anchored not stored refs pending

Variational study of two-impurity spin-boson model with a common Ohmic bath: Ground-state phase transitions

Nengji Zhou, Yang Zhao, Yuyu Zhang, Zhiguo Lu

arxiv:1908.09245 v1 · 2019-08-25 · cond-mat.stat-mech · cond-mat.mes-hall · cond-mat.str-el · physics.chem-ph · 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{AFKWP5NHFNZTI7QNEQBX7PP25N}

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	2026-07-04T23:59:38.018400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

015567f5a72b73347e0d24037fbdfaeb6510399e9e2235d129358a964fa3d8ff

Aliases

arxiv: 1908.09245 · arxiv_version: 1908.09245v1 · doi: 10.48550/arxiv.1908.09245 · pith_short_12: AFKWP5NHFNZT · pith_short_16: AFKWP5NHFNZTI7QN · pith_short_8: AFKWP5NH

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/AFKWP5NHFNZTI7QNEQBX7PP25N \
  | 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: 015567f5a72b73347e0d24037fbdfaeb6510399e9e2235d129358a964fa3d8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8c3ea6a9c7fd44b1030e80765044d98e4f8e22fee0fe502e14330ae63ece92",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.str-el",
      "physics.chem-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2019-08-25T02:56:53Z",
    "title_canon_sha256": "f3f52da58ced8b34c41b8e1d105fd76fa0aa0626263989095a5773343feb7ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09245",
    "kind": "arxiv",
    "version": 1
  }
}