Pith Number

pith:CLF4RUK7

pith:2017:CLF4RUK7WYMKNIHPOOMXBDQKPD

not attested not anchored not stored refs pending

An exact solution to the Bertsch problem and the non-universality of the Unitary Fermi Gas

E. Ruiz Arriola, S. Szpigel, V. S. Timoteo

arxiv:1712.05931 v1 · 2017-12-16 · cond-mat.quant-gas · hep-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLF4RUK7WYMKNIHPOOMXBDQKPD}

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	2026-05-18T00:27:51.470066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12cbc8d15fb618a6a0ef7399708e0a78c85aaf0d8dbefe52ac03ef7fda5f435c

Aliases

arxiv: 1712.05931 · arxiv_version: 1712.05931v1 · doi: 10.48550/arxiv.1712.05931 · pith_short_12: CLF4RUK7WYMK · pith_short_16: CLF4RUK7WYMKNIHP · pith_short_8: CLF4RUK7

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/CLF4RUK7WYMKNIHPOOMXBDQKPD \
  | 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: 12cbc8d15fb618a6a0ef7399708e0a78c85aaf0d8dbefe52ac03ef7fda5f435c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34c56786bd35f8bce1445c1177123aafcaac6c62eaffcf548177db76e1366174",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2017-12-16T10:25:12Z",
    "title_canon_sha256": "55afb30205a3d8a0bacb65a04c77d2dd029c1d3c52bfa6ff05f48ac4b838f6f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05931",
    "kind": "arxiv",
    "version": 1
  }
}