Pith Number

pith:N5NXPM2U

pith:2009:N5NXPM2ULOK3DRCBDOZNXWKC2C

not attested not anchored not stored refs pending

Measurement of branching fractions of B decays to K1(1270)pi and K1(1400)pi and determination of the CKM angle alpha from B0 --> a1(1260)+/- pi-/+

et al, the BABAR Collaboration: B. Aubert

arxiv:0909.2171 v1 · 2009-09-11 · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5NXPM2ULOK3DRCBDOZNXWKC2C}

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	2026-05-18T04:16:12.276718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5b77b3545b95b1c4411bb2dbd942d082a3d90bb43d6c03adc34cf81b9a0e95

Aliases

arxiv: 0909.2171 · arxiv_version: 0909.2171v1 · doi: 10.48550/arxiv.0909.2171 · pith_short_12: N5NXPM2ULOK3 · pith_short_16: N5NXPM2ULOK3DRCB · pith_short_8: N5NXPM2U

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/N5NXPM2ULOK3DRCBDOZNXWKC2C \
  | 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: 6f5b77b3545b95b1c4411bb2dbd942d082a3d90bb43d6c03adc34cf81b9a0e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2eec966a018d0bf54403821047be54cb649471fceabb26ebf84cdb932c09197",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2009-09-11T13:53:24Z",
    "title_canon_sha256": "214f3dcf420ac441cdbd119400ef3e2f5fce4bdac38e386179b707f303f07e91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2171",
    "kind": "arxiv",
    "version": 1
  }
}