Pith Number

pith:EUSOVVRQ

pith:2020:EUSOVVRQ4T7DRLF7AD6K5H67JK

not attested not anchored not stored refs pending

Quantum Phase Transition and Berry Phase in an Extended Dicke Model

2), (2) Instituto de Ciencias Nucleares, C. A. Estrada Guerra (1, CDMX, Facultad de Ciencias Exactas y Naturales, Instituto de F\'isica, J. G. Hirsch (2) ((1) Universidad de Antioquia, J. Mahecha-G\'omez (1), Medell\'in-Colombia, Mexico), Universidad Nacional Aut\'onoma de M\'exico

arxiv:2006.06597 v1 · 2020-06-11 · 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{EUSOVVRQ4T7DRLF7AD6K5H67JK}

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	2026-07-05T01:09:34.973417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2524ead630e4fe38acbf00fcae9fdf4a9f2220deb25d46f72f2a0f364842bc9b

Aliases

arxiv: 2006.06597 · arxiv_version: 2006.06597v1 · doi: 10.48550/arxiv.2006.06597 · pith_short_12: EUSOVVRQ4T7D · pith_short_16: EUSOVVRQ4T7DRLF7 · pith_short_8: EUSOVVRQ

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/EUSOVVRQ4T7DRLF7AD6K5H67JK \
  | 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: 2524ead630e4fe38acbf00fcae9fdf4a9f2220deb25d46f72f2a0f364842bc9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "048c8dc7251610107583e142e2fb661aa2df949a2264bee68fcf8f265102fd9d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-06-11T16:46:46Z",
    "title_canon_sha256": "564ab80c8243cc47d48658f8fd0dea788a1107b0c0383cfe7aa3bc9e9872699b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06597",
    "kind": "arxiv",
    "version": 1
  }
}