Pith Number

pith:6RSDOTHJ

pith:2008:6RSDOTHJ7MSFOANH5BUIA2QGTZ

not attested not anchored not stored refs pending

Direct evaporative cooling of 41K into a Bose-Einstein condensate

J. Kobayashi, K. Aikawa, K. Noda, M. Ueda, S. Inouye, T. Kishimoto

arxiv:0812.4335 v1 · 2008-12-23 · physics.atom-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{6RSDOTHJ7MSFOANH5BUIA2QGTZ}

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	2026-07-04T17:13:57.851410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f464374ce9fb245701a7e868806a069e6eb9a3c94f3d51f1512752c63b299ab2

Aliases

arxiv: 0812.4335 · arxiv_version: 0812.4335v1 · doi: 10.48550/arxiv.0812.4335 · pith_short_12: 6RSDOTHJ7MSF · pith_short_16: 6RSDOTHJ7MSFOANH · pith_short_8: 6RSDOTHJ

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/6RSDOTHJ7MSFOANH5BUIA2QGTZ \
  | 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: f464374ce9fb245701a7e868806a069e6eb9a3c94f3d51f1512752c63b299ab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90e0c2981ebdab185ed071f58311caa2a6f064b90ba91c83fec4b34b80beef3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2008-12-23T08:22:34Z",
    "title_canon_sha256": "e79377ccc646c7e93beb477fb1374ff1647d816117a47f7f2dd36bbe69067d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4335",
    "kind": "arxiv",
    "version": 1
  }
}