Pith Number

pith:PSUDQF3Q

pith:2025:PSUDQF3QOEQKNOBSGFUPM5QWEN

not attested not anchored not stored refs pending

Evidence for the existence of a flavor-sextet charmed meson?

Bing-Song Zou, Feng-Kun Guo

arxiv:2504.21442 v1 · 2025-04-30 · hep-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSUDQF3QOEQKNOBSGFUPM5QWEN}

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	2026-07-05T11:57:36.293309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ca83817707120a6b8323168f676162377ce8a78a4dcca51359956ba08dbd8c4

Aliases

arxiv: 2504.21442 · arxiv_version: 2504.21442v1 · doi: 10.48550/arxiv.2504.21442 · pith_short_12: PSUDQF3QOEQK · pith_short_16: PSUDQF3QOEQKNOBS · pith_short_8: PSUDQF3Q

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/PSUDQF3QOEQKNOBSGFUPM5QWEN \
  | 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: 7ca83817707120a6b8323168f676162377ce8a78a4dcca51359956ba08dbd8c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "137970a6611e6e88eb38755aa7d89654526779892f3b1de90dc16afc5225ea34",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-04-30T08:56:31Z",
    "title_canon_sha256": "2e1dbe3e2dad3bb137e7ea872aaf21764f17754527492e621e7b44236fb74883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21442",
    "kind": "arxiv",
    "version": 1
  }
}