Pith Number

pith:KJ2ZN5KT

pith:1999:KJ2ZN5KTSCQRRIFCVPFXRVKIEP

not attested not anchored not stored refs pending

U(2) Flavor Physics without U(2) Symmetry

Alfredo Aranda, Christopher D. Carone, Richard F. Lebed

arxiv:hep-ph/9910392 v2 · 1999-10-19 · 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{KJ2ZN5KTSCQRRIFCVPFXRVKIEP}

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	2026-05-18T02:36:21.874624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

527596f55390a118a0a2abcb78d54823f08638dac6ccf9ab131558aee6d3ea8a

Aliases

arxiv: hep-ph/9910392 · arxiv_version: hep-ph/9910392v2 · doi: 10.48550/arxiv.hep-ph/9910392 · pith_short_12: KJ2ZN5KTSCQR · pith_short_16: KJ2ZN5KTSCQRRIFC · pith_short_8: KJ2ZN5KT

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/KJ2ZN5KTSCQRRIFCVPFXRVKIEP \
  | 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: 527596f55390a118a0a2abcb78d54823f08638dac6ccf9ab131558aee6d3ea8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b53882a30dff9674d4e30ba0077d61bdaae10338b5bfd34e38d5a2e21daebe6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-10-19T01:18:54Z",
    "title_canon_sha256": "5b3ff3c1f49f597a37d03fcdc6bf4c9b3462bc542d5db9a145b782e9bffe48a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9910392",
    "kind": "arxiv",
    "version": 2
  }
}