Pith Number

pith:5CBSKTWF

pith:2010:5CBSKTWF4KH75WDI3FF3BIT3EX

not attested not anchored not stored refs pending

Measuring the Magnitude of the Fourth-Generation CKM4 Matrix Element V_{t'b'}

Abner Soffer, David London, Diganta Das, Rahul Sinha

arxiv:1008.4925 v2 · 2010-08-29 · 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{5CBSKTWF4KH75WDI3FF3BIT3EX}

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	2026-05-18T04:32:45.860681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e883254ec5e28ffed868d94bb0a27b25da9f4c4e74a90a3420967ddcd686fb65

Aliases

arxiv: 1008.4925 · arxiv_version: 1008.4925v2 · doi: 10.48550/arxiv.1008.4925 · pith_short_12: 5CBSKTWF4KH7 · pith_short_16: 5CBSKTWF4KH75WDI · pith_short_8: 5CBSKTWF

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/5CBSKTWF4KH75WDI3FF3BIT3EX \
  | 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: e883254ec5e28ffed868d94bb0a27b25da9f4c4e74a90a3420967ddcd686fb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfadd47281a7a3d66b97e3357305fe34ea2c3d86e08ae116e24ce26f981348c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2010-08-29T14:05:05Z",
    "title_canon_sha256": "bb4d3f1e8b628d23678d231a958625cad34933c68cbc2d0a11076dc14638d70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4925",
    "kind": "arxiv",
    "version": 2
  }
}