Pith Number

pith:CAFUN447

pith:2016:CAFUN447LHX4TELUW4M5ZJFJNL

not attested not anchored not stored refs pending

Experimental Status of the CKM Matrix

Frank C. Porter

arxiv:1604.04940 v2 · 2016-04-17 · hep-ex · 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{CAFUN447LHX4TELUW4M5ZJFJNL}

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	2026-05-18T00:57:12.905622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

100b46f39f59efc99174b719dca4a96aeb2103d7754024645beede52d9b4811b

Aliases

arxiv: 1604.04940 · arxiv_version: 1604.04940v2 · doi: 10.48550/arxiv.1604.04940 · pith_short_12: CAFUN447LHX4 · pith_short_16: CAFUN447LHX4TELU · pith_short_8: CAFUN447

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/CAFUN447LHX4TELUW4M5ZJFJNL \
  | 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: 100b46f39f59efc99174b719dca4a96aeb2103d7754024645beede52d9b4811b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba4a7304a345c9af064f7de7404c369a9ae0313c2543f2c7db56e1fec6cf5b8",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2016-04-17T23:35:43Z",
    "title_canon_sha256": "e7e4925036a08b4dfaead49e9fc4e06bbc4c52f24e50c6bff2642e18fc4b9524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04940",
    "kind": "arxiv",
    "version": 2
  }
}