Pith Number

pith:UYDBDB2O

pith:2012:UYDBDB2OA7WD45HPFOLAXZIJ6M

not attested not anchored not stored refs pending

Negative Absolute Temperature for Motional Degrees of Freedom

Immanuel Bloch, Jens Philipp Ronzheimer, Michael Schreiber, Sean S. Hodgman, Simon Braun, Tim Rom, Ulrich Schneider

arxiv:1211.0545 v1 · 2012-11-02 · cond-mat.quant-gas · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYDBDB2OA7WD45HPFOLAXZIJ6M}

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	2026-05-18T03:37:18.715694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a60611874e07ec3e74ef2b960be509f32bbff6053796f975414ea9a31bea80e3

Aliases

arxiv: 1211.0545 · arxiv_version: 1211.0545v1 · doi: 10.48550/arxiv.1211.0545 · pith_short_12: UYDBDB2OA7WD · pith_short_16: UYDBDB2OA7WD45HP · pith_short_8: UYDBDB2O

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/UYDBDB2OA7WD45HPFOLAXZIJ6M \
  | 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: a60611874e07ec3e74ef2b960be509f32bbff6053796f975414ea9a31bea80e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9a5d8bd1b787eb4de3289c0fd2114bcbe35769afab8940e69a23790d06c0ec0",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-11-02T20:00:04Z",
    "title_canon_sha256": "fae3eee819fee05456e3fd5fe79e338edf0fc1f8f617b8b6a0d4a06f1a41f530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0545",
    "kind": "arxiv",
    "version": 1
  }
}