Pith Number

pith:UBIH6CFJ

pith:2009:UBIH6CFJNFBLPYLRDI64IXAPII

not attested not anchored not stored refs pending

Dicke model: entanglement as a finite size effect

D. Loss, O. Tsyplyatyev

arxiv:0907.2553 v1 · 2009-07-15 · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBIH6CFJNFBLPYLRDI64IXAPII}

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	2026-05-18T02:13:02.852291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0507f08a96942b7e1711a3dc45c0f423ccf2e07f834c3a592c2a9c279508b9b

Aliases

arxiv: 0907.2553 · arxiv_version: 0907.2553v1 · doi: 10.48550/arxiv.0907.2553 · pith_short_12: UBIH6CFJNFBL · pith_short_16: UBIH6CFJNFBLPYLR · pith_short_8: UBIH6CFJ

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/UBIH6CFJNFBLPYLRDI64IXAPII \
  | 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: a0507f08a96942b7e1711a3dc45c0f423ccf2e07f834c3a592c2a9c279508b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7a1e70ff5234081eaf336f1efc0aa0a6f1cf1c6a632b6f8bf1d69e1faef2d7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-15T10:49:28Z",
    "title_canon_sha256": "94e5eb83c9ff3915d3aefb9a39b7518be2ee34534cc9ba69ef52ec1d770955f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2553",
    "kind": "arxiv",
    "version": 1
  }
}