Pith Number

pith:FIZBEBDF

pith:2008:FIZBEBDF4WERDPEO4CZYLKKNLH

not attested not anchored not stored refs pending

Squeezing Out the Entropy of Fermions in Optical Lattices

Qi Zhou, Tin-Lun Ho

arxiv:0808.2652 v3 · 2008-08-19 · cond-mat.quant-gas · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIZBEBDF4WERDPEO4CZYLKKNLH}

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	2026-05-18T02:15:43.072069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a32120465e58911bc8ee0b385a94d59c69ad48c7ad940e765aa030bbb4f3ad1

Aliases

arxiv: 0808.2652 · arxiv_version: 0808.2652v3 · doi: 10.48550/arxiv.0808.2652 · pith_short_12: FIZBEBDF4WER · pith_short_16: FIZBEBDF4WERDPEO · pith_short_8: FIZBEBDF

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/FIZBEBDF4WERDPEO4CZYLKKNLH \
  | 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: 2a32120465e58911bc8ee0b385a94d59c69ad48c7ad940e765aa030bbb4f3ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e98d24686592f24648254b7c5f9204c39d60e5ac68f9e93f2781d521ea1747a",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2008-08-19T21:21:21Z",
    "title_canon_sha256": "e695f24592afa30f3c0a0a06bd3128736eed8d972a497807389c0ac3eb95eae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2652",
    "kind": "arxiv",
    "version": 3
  }
}