Pith Number

pith:ZFZRSPCY

pith:2025:ZFZRSPCYYUVRPKBUFL4J36G5TS

not attested not anchored not stored refs pending

Strange pentaquarks with a hidden heavy quark-antiquark pair

Alessandro Giachino, Elena Santopinto, Makoto Oka, Makoto Takizawa, Sachiko Takeuchi

arxiv:2507.20751 v1 · 2025-07-28 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFZRSPCYYUVRPKBUFL4J36G5TS}

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	2026-07-05T11:44:25.267609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c973193c58c52b17a8342af89df8dd9c9ae35a3c4a4724963d8d7065baa3dc07

Aliases

arxiv: 2507.20751 · arxiv_version: 2507.20751v1 · doi: 10.48550/arxiv.2507.20751 · pith_short_12: ZFZRSPCYYUVR · pith_short_16: ZFZRSPCYYUVRPKBU · pith_short_8: ZFZRSPCY

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/ZFZRSPCYYUVRPKBUFL4J36G5TS \
  | 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: c973193c58c52b17a8342af89df8dd9c9ae35a3c4a4724963d8d7065baa3dc07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beec7cf245d8dd5e787c92e034d29ffab80669ed2d1c7fc169de8e305ed86b77",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-07-28T12:01:44Z",
    "title_canon_sha256": "e31b658a01218521488f448312a0c50f9b6d5f44c7e450a018d8b66c6af8536b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20751",
    "kind": "arxiv",
    "version": 1
  }
}