Pith Number

pith:QV5FSO7K

pith:2009:QV5FSO7KUC44JGGFUAX4SPAVAL

not attested not anchored not stored refs pending

The Matrix of Unitarity Triangle Angles for Quarks

P. F. Harrison, S. Dallison, W. G. Scott

arxiv:0904.3077 v2 · 2009-04-20 · 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{QV5FSO7KUC44JGGFUAX4SPAVAL}

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	2026-07-04T15:54:37.120385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857a593beaa0b9c498c5a02fc93c1502ec31c5d783136f8d32b78d9e70ede566

Aliases

arxiv: 0904.3077 · arxiv_version: 0904.3077v2 · doi: 10.48550/arxiv.0904.3077 · pith_short_12: QV5FSO7KUC44 · pith_short_16: QV5FSO7KUC44JGGF · pith_short_8: QV5FSO7K

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/QV5FSO7KUC44JGGFUAX4SPAVAL \
  | 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: 857a593beaa0b9c498c5a02fc93c1502ec31c5d783136f8d32b78d9e70ede566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b5bbfb57aa9b385946dbfa84ce80a9a812b6318cac829fcc566f5c1f1b44a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-04-20T18:23:41Z",
    "title_canon_sha256": "2f02140d56ba70a24fd9af241a779ebfe702215551f474264e542ab6058ddf28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3077",
    "kind": "arxiv",
    "version": 2
  }
}