Pith Number

pith:W2XDBCQ5

pith:2008:W2XDBCQ5SYDKVJD2UYWRPN45VJ

not attested not anchored not stored refs pending

Temperature and final state effects in radio frequency spectroscopy experiments on atomic Fermi gases

Chih-Chun Chien, K. Levin, Qijin Chen, Yan He

arxiv:0804.1429 v2 · 2008-04-09 · cond-mat.supr-con · cond-mat.quant-gas · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2XDBCQ5SYDKVJD2UYWRPN45VJ}

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	2026-05-18T04:13:46.074587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ae308a1d9606aaa47aa62d17b79daa4036afe1391d12ed7bf97a247323a472

Aliases

arxiv: 0804.1429 · arxiv_version: 0804.1429v2 · doi: 10.48550/arxiv.0804.1429 · pith_short_12: W2XDBCQ5SYDK · pith_short_16: W2XDBCQ5SYDKVJD2 · pith_short_8: W2XDBCQ5

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/W2XDBCQ5SYDKVJD2UYWRPN45VJ \
  | 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: b6ae308a1d9606aaa47aa62d17b79daa4036afe1391d12ed7bf97a247323a472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af02b8cb9d702b0c4313b92bb05f4572700d5584df635d7bf78eb90583c3d3f3",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-04-09T16:57:38Z",
    "title_canon_sha256": "75a3f56f4b7bb0489d884391fc82b2910da57078a82a36efffb30ce5073ee28a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1429",
    "kind": "arxiv",
    "version": 2
  }
}