Pith Number

pith:UED7DHDF

pith:2021:UED7DHDFWKDS3T6N6EMIBT7CGC

not attested not anchored not stored refs pending

QCD knows new quarks

Akio Tomiya, Chuan-Xin Cui, Hiroyuki Ishida, Jin-Yang Li, Mamiya Kawaguchi, Shinya Matsuzaki

arxiv:2112.13533 v4 · 2021-12-27 · hep-ph · hep-ex · hep-lat · 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{UED7DHDFWKDS3T6N6EMIBT7CGC}

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	2026-07-05T07:40:19.361344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a107f19c65b2872dcfcdf11880cfe230a39ec05672612312724226cd84e845d7

Aliases

arxiv: 2112.13533 · arxiv_version: 2112.13533v4 · doi: 10.48550/arxiv.2112.13533 · pith_short_12: UED7DHDFWKDS · pith_short_16: UED7DHDFWKDS3T6N · pith_short_8: UED7DHDF

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/UED7DHDFWKDS3T6N6EMIBT7CGC \
  | 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: a107f19c65b2872dcfcdf11880cfe230a39ec05672612312724226cd84e845d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff95cc0092b0f2165b45514c8b4b0dfef7c8db4bafd0bb0bb96455f0262771c6",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-lat",
      "nucl-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-12-27T06:18:12Z",
    "title_canon_sha256": "a395523f01b30a76516e578c714d4638f041aa70a5478ddc3dca4e501d503f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13533",
    "kind": "arxiv",
    "version": 4
  }
}