Pith Number

pith:Q4AOFRFI

pith:2019:Q4AOFRFIUWDCZX5RZPNMPN6I5J

not attested not anchored not stored refs pending

Resolving the $\phi_2$ ($\alpha$) ambiguity in $B^0 \to a_1^\pm \pi^\mp$

J. Dalseno

arxiv:1907.09237 v1 · 2019-07-22 · 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{Q4AOFRFIUWDCZX5RZPNMPN6I5J}

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	2026-07-05T00:34:16.382349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8700e2c4a8a5862cdfb1cbdac7b7c8ea549dd585c95e9d33663ae263c1f50427

Aliases

arxiv: 1907.09237 · arxiv_version: 1907.09237v1 · doi: 10.48550/arxiv.1907.09237 · pith_short_12: Q4AOFRFIUWDC · pith_short_16: Q4AOFRFIUWDCZX5R · pith_short_8: Q4AOFRFI

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/Q4AOFRFIUWDCZX5RZPNMPN6I5J \
  | 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: 8700e2c4a8a5862cdfb1cbdac7b7c8ea549dd585c95e9d33663ae263c1f50427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ab9c8f1d176d2865647e7d0cddb7a34055839f3623dbaf186bd7cc6c0c48ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-07-22T11:19:59Z",
    "title_canon_sha256": "c3d41457f2fac1b794a5b67b14b4cb930049f2aec9ff0ef9cf2d3ff5a6988a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09237",
    "kind": "arxiv",
    "version": 1
  }
}