Pith Number

pith:MCOI6WDQ

pith:2012:MCOI6WDQ57HX2YJS5RITA47KNB

not attested not anchored not stored refs pending

The Contact in the BCS-BEC crossover for finite range interacting ultracold Fermi gases

Rosario Paredes, Santiago F. Caballero-Benitez, Victor Romero-Rochin

arxiv:1202.2939 v3 · 2012-02-14 · cond-mat.quant-gas · cond-mat.stat-mech · 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{MCOI6WDQ57HX2YJS5RITA47KNB}

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	2026-05-18T01:58:28.858099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

609c8f5870efcf7d6132ec513073ea685ceae3b1237028c34c71ebd9a375c5ed

Aliases

arxiv: 1202.2939 · arxiv_version: 1202.2939v3 · doi: 10.48550/arxiv.1202.2939 · pith_short_12: MCOI6WDQ57HX · pith_short_16: MCOI6WDQ57HX2YJS · pith_short_8: MCOI6WDQ

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/MCOI6WDQ57HX2YJS5RITA47KNB \
  | 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: 609c8f5870efcf7d6132ec513073ea685ceae3b1237028c34c71ebd9a375c5ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aebc99137838c4d150111865bb29a68e63735ad1c921ed82f8bb0c09657e828a",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-02-14T04:53:00Z",
    "title_canon_sha256": "aced9d67160438f06f7fe4aa4890952b1cdebabd8928f061d3ff9dde58bb5ddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2939",
    "kind": "arxiv",
    "version": 3
  }
}