pith. sign in
Pith Number

pith:BP4OSRXM

pith:2019:BP4OSRXMTPV4D3KI6WZW66KZYD
not attested not anchored not stored refs pending

Hear the Sound of Weyl Fermions

Xi Dai, Zhida Song

arxiv:1901.09926 v2 · 2019-01-28 · cond-mat.mes-hall · cond-mat.str-el

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BP4OSRXMTPV4D3KI6WZW66KZYD}

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 2026-05-17T23:42:24.368516Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0bf8e946ec9bebc1ed48f5b36f7959c0f12bfea0f6af88325a6ed047de316d3a

Aliases

arxiv: 1901.09926 · arxiv_version: 1901.09926v2 · doi: 10.48550/arxiv.1901.09926 · pith_short_12: BP4OSRXMTPV4 · pith_short_16: BP4OSRXMTPV4D3KI · pith_short_8: BP4OSRXM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BP4OSRXMTPV4D3KI6WZW66KZYD \
  | 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: 0bf8e946ec9bebc1ed48f5b36f7959c0f12bfea0f6af88325a6ed047de316d3a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c6a6285b086cabee9de61469d002ee93392d65d9361154ee42bc057bd8fc5f74",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-01-28T19:00:00Z",
    "title_canon_sha256": "a39ec42565c9ed0622ccece92bd6ad30681cf52c33e6bd0c1e80d14da0bb9c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09926",
    "kind": "arxiv",
    "version": 2
  }
}