Pith Number

pith:BUG7BZNM

pith:2013:BUG7BZNMXPPLRMFXTEPGOBXFDF

not attested not anchored not stored refs pending

Umklapp Superradiance from a Collisionless Quantum Degenerate Fermi Gas

Francesco Piazza, Philipp Strack

arxiv:1309.2714 v3 · 2013-09-11 · 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{BUG7BZNMXPPLRMFXTEPGOBXFDF}

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	2026-05-18T02:54:30.659184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d0df0e5acbbdeb8b0b7991e6706e51967c62750f1b0a29af5090d89f7043da1

Aliases

arxiv: 1309.2714 · arxiv_version: 1309.2714v3 · doi: 10.48550/arxiv.1309.2714 · pith_short_12: BUG7BZNMXPPL · pith_short_16: BUG7BZNMXPPLRMFX · pith_short_8: BUG7BZNM

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/BUG7BZNMXPPLRMFXTEPGOBXFDF \
  | 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: 0d0df0e5acbbdeb8b0b7991e6706e51967c62750f1b0a29af5090d89f7043da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07fd49534dc7600714bea3f2dc57e6a293634d009e59c73d2ea1b8e3c1e1589e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2013-09-11T01:42:22Z",
    "title_canon_sha256": "7b2e5bb383f67b19afbf295dd51ee83f142a6551f6ea18b944a89486d35782dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2714",
    "kind": "arxiv",
    "version": 3
  }
}