Pith Number

pith:IE7YBASH

pith:2013:IE7YBASHHPPIT5ZAREUBD5357S

not attested not anchored not stored refs pending

First and second sound in a highly elongated Fermi gas at unitarity

Lev P. Pitaevskii, Sandro Stringari, Yan-Hua Hou

arxiv:1301.4419 v2 · 2013-01-18 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IE7YBASHHPPIT5ZAREUBD5357S}

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	2026-05-18T03:08:15.986015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

413f8082473bde89f720892811f77dfc92575e673fe49b4f18809b89f4a407d5

Aliases

arxiv: 1301.4419 · arxiv_version: 1301.4419v2 · doi: 10.48550/arxiv.1301.4419 · pith_short_12: IE7YBASHHPPI · pith_short_16: IE7YBASHHPPIT5ZA · pith_short_8: IE7YBASH

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/IE7YBASHHPPIT5ZAREUBD5357S \
  | 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: 413f8082473bde89f720892811f77dfc92575e673fe49b4f18809b89f4a407d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7777b1de43056a22b41873a84dcb4c7991e65e911083dd30ab3bf6760a2d80b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2013-01-18T16:16:18Z",
    "title_canon_sha256": "9cefca4e63decba449526b652741e1a7a79a89948fe01cac112e59b213cdd50d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4419",
    "kind": "arxiv",
    "version": 2
  }
}