Pith Number

pith:B63FZS2W

pith:2004:B63FZS2WI3TG5FWOCLJV2LJDGT

not attested not anchored not stored refs pending

Collisions and expansion of an ultracold dilute Fermi gas

B. Jackson, P. Pedri, S. Stringari

arxiv:cond-mat/0404175 v2 · 2004-04-07 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B63FZS2WI3TG5FWOCLJV2LJDGT}

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	2026-07-04T16:46:03.623125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fb65ccb5646e66e96ce12d35d2d2334ed249d86d95334127e414e90025f088b

Aliases

arxiv: cond-mat/0404175 · arxiv_version: cond-mat/0404175v2 · doi: 10.48550/arxiv.cond-mat/0404175 · pith_short_12: B63FZS2WI3TG · pith_short_16: B63FZS2WI3TG5FWO · pith_short_8: B63FZS2W

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/B63FZS2WI3TG5FWOCLJV2LJDGT \
  | 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: 0fb65ccb5646e66e96ce12d35d2d2334ed249d86d95334127e414e90025f088b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5068fcdfbc6271fffc3ce262f2ae229660955da69119d7c5ae9bfb1333564154",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2004-04-07T17:15:57Z",
    "title_canon_sha256": "e7327b74326bd995eb22ea64871c5ac99557fe95b4138cfd9b1c8e35dda76abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0404175",
    "kind": "arxiv",
    "version": 2
  }
}