Pith Number

pith:WFKJTV64

pith:2009:WFKJTV64YI7MZCMQABPWDXWIVI

not attested not anchored not stored refs pending

Comparative Study of BCS-BEC Crossover Theories above $T_c$: the Nature of the Pseudogap in Ultra-Cold Atomic Fermi Gases

Chih-Chun Chien, Hao Guo, K. Levin, Yan He

arxiv:0910.3699 v1 · 2009-10-19 · cond-mat.quant-gas · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFKJTV64YI7MZCMQABPWDXWIVI}

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	2026-05-18T03:23:57.187301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b15499d7dcc23ecc8990005f61dec8aa2152071cec537d7e681817b7f2d11c0e

Aliases

arxiv: 0910.3699 · arxiv_version: 0910.3699v1 · doi: 10.48550/arxiv.0910.3699 · pith_short_12: WFKJTV64YI7M · pith_short_16: WFKJTV64YI7MZCMQ · pith_short_8: WFKJTV64

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/WFKJTV64YI7MZCMQABPWDXWIVI \
  | 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: b15499d7dcc23ecc8990005f61dec8aa2152071cec537d7e681817b7f2d11c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f985f8446c834a4da9526b01b1d1594df2f5a19677cd4a6f998f9c3c398963",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-10-19T20:58:57Z",
    "title_canon_sha256": "f7ac9902172f421eaafaa55bae77c044287ce4bbd578fe88a4a68df6e4f93862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3699",
    "kind": "arxiv",
    "version": 1
  }
}