Pith Number

pith:J254KPHV

pith:2013:J254KPHVRFCVCCBV44YRK65UE4

not attested not anchored not stored refs pending

Thermal vs. Entanglement Entropy: A Measurement Protocol for Fermionic Atoms with a Quantum Gas Microscope

Andreas M. L\"auchli, Andrew J. Daley, Hannes Pichler, Lars Bonnes, Peter Zoller

arxiv:1302.1187 v2 · 2013-02-05 · cond-mat.quant-gas · 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{J254KPHVRFCVCCBV44YRK65UE4}

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	2026-05-18T03:21:33.490839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebbc53cf58945510835e731157bb4271f33e5c67604ee9c37a261254bdaab84

Aliases

arxiv: 1302.1187 · arxiv_version: 1302.1187v2 · doi: 10.48550/arxiv.1302.1187 · pith_short_12: J254KPHVRFCV · pith_short_16: J254KPHVRFCVCCBV · pith_short_8: J254KPHV

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/J254KPHVRFCVCCBV44YRK65UE4 \
  | 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: 4ebbc53cf58945510835e731157bb4271f33e5c67604ee9c37a261254bdaab84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e70e9cc792b61428417bbe4e2c261ddeee7b6faa2171ed22c4242049678589",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2013-02-05T20:45:29Z",
    "title_canon_sha256": "1c8515787fe86ed6fc641573619e5e8669e18cb799152d1b358ed6a0b4c97843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1187",
    "kind": "arxiv",
    "version": 2
  }
}