Pith Number

pith:PK5QR6AA

pith:2019:PK5QR6AAVL6MR4E2AHJIAHL3PB

not attested not anchored not stored refs pending

Collective oscillations of a two-component Fermi gas on the repulsive branch

Kazimierz Rz\k{a}\.zewski, Miros{\l}aw Brewczyk, Piotr T. Grochowski, Tomasz Karpiuk

arxiv:1908.07771 v3 · 2019-08-21 · 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{PK5QR6AAVL6MR4E2AHJIAHL3PB}

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	2026-07-05T00:57:07.740940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7abb08f800aafcc8f09a01d2801d7b785a3cface8d0cea927c35dc2bb0fec32a

Aliases

arxiv: 1908.07771 · arxiv_version: 1908.07771v3 · doi: 10.48550/arxiv.1908.07771 · pith_short_12: PK5QR6AAVL6M · pith_short_16: PK5QR6AAVL6MR4E2 · pith_short_8: PK5QR6AA

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/PK5QR6AAVL6MR4E2AHJIAHL3PB \
  | 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: 7abb08f800aafcc8f09a01d2801d7b785a3cface8d0cea927c35dc2bb0fec32a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74fe71b3923f646f71611eea985d27e3141ee8f927486b2c82427b76d25cca5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2019-08-21T09:54:36Z",
    "title_canon_sha256": "9014d47dba6193ade33cdafbcaedbdc1474846bcb882904b79d27a41b4e9287c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07771",
    "kind": "arxiv",
    "version": 3
  }
}