Pith Number

pith:PR5F2Y45

pith:2008:PR5F2Y45KIRUBHHBP6OZYU4FNQ

not attested not anchored not stored refs pending

Relativistic BCS-BEC crossover of a two-species Fermi gas with number density asymmetry at zero temperature

Chih-Chun Chien, Hao Guo, Yan He

arxiv:0812.1782 v2 · 2008-12-09 · hep-ph · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PR5F2Y45KIRUBHHBP6OZYU4FNQ}

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	2026-05-18T02:35:13.489231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c7a5d639d5223409ce17f9d9c53856c151111b03df5e556f656ab54e22ec223

Aliases

arxiv: 0812.1782 · arxiv_version: 0812.1782v2 · doi: 10.48550/arxiv.0812.1782 · pith_short_12: PR5F2Y45KIRU · pith_short_16: PR5F2Y45KIRUBHHB · pith_short_8: PR5F2Y45

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/PR5F2Y45KIRUBHHBP6OZYU4FNQ \
  | 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: 7c7a5d639d5223409ce17f9d9c53856c151111b03df5e556f656ab54e22ec223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b2f7e6cd66cd6f0bbb532bc642d9ff8e8b60530dde74a5f77811edc2204b3a5",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-12-09T19:53:12Z",
    "title_canon_sha256": "447eae9f092dae4137f34475ab11dfbd4006746665071cd0b21bee4a70850437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1782",
    "kind": "arxiv",
    "version": 2
  }
}