Pith Number

pith:HRHKOQLA

pith:2012:HRHKOQLAEW5XYNDNDRD7AQXCPE

not attested not anchored not stored refs pending

Direct evaporative cooling of 39K atoms to Bose-Einstein condensation

Andrea Simoni, Giacomo Roati, Giovanni Modugno, Manuele Landini, Marco Fattori, Massimo Inguscio, Sanjukta Roy

arxiv:1207.4713 v1 · 2012-07-19 · cond-mat.quant-gas · physics.atom-ph · 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{HRHKOQLAEW5XYNDNDRD7AQXCPE}

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	2026-05-18T01:56:16.188788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c4ea7416025bb7c346d1c47f042e2793e886c626f837f418157ab4cdf9deb76

Aliases

arxiv: 1207.4713 · arxiv_version: 1207.4713v1 · doi: 10.48550/arxiv.1207.4713 · pith_short_12: HRHKOQLAEW5X · pith_short_16: HRHKOQLAEW5XYNDN · pith_short_8: HRHKOQLA

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/HRHKOQLAEW5XYNDNDRD7AQXCPE \
  | 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: 3c4ea7416025bb7c346d1c47f042e2793e886c626f837f418157ab4cdf9deb76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e164fa5222e3d8b616946cdce0c7abfc554da58f815e788e4e6ff37b64b2333b",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-07-19T15:47:21Z",
    "title_canon_sha256": "68dca81e44e3ac51843257100cc0c6d7d0b431b40cfe2d7185f24d1043161f62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4713",
    "kind": "arxiv",
    "version": 1
  }
}