Pith Number

pith:OW7BATRI

pith:2009:OW7BATRINDCPXAYDUZYW3L7TK2

not attested not anchored not stored refs pending

A new barrier penetration formula and its application to alpha-decay half-lives

En-Guang Zhao, Lu-Lu Li, Shan-Gui Zhou, Werner Scheid

arxiv:0909.1602 v1 · 2009-09-09 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OW7BATRINDCPXAYDUZYW3L7TK2}

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	2026-05-18T02:34:30.680177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75be104e2868c4fb8303a6716daff356ba56766746a6f4d307bb244e0d72c096

Aliases

arxiv: 0909.1602 · arxiv_version: 0909.1602v1 · doi: 10.48550/arxiv.0909.1602 · pith_short_12: OW7BATRINDCP · pith_short_16: OW7BATRINDCPXAYD · pith_short_8: OW7BATRI

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/OW7BATRINDCPXAYDUZYW3L7TK2 \
  | 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: 75be104e2868c4fb8303a6716daff356ba56766746a6f4d307bb244e0d72c096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98e941999cc6de45d780712863712312b8b3107eecaefbed2e0ee5345a9690ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2009-09-09T01:08:22Z",
    "title_canon_sha256": "46dad94a81cc6d402500a089ff33a434f7e035f3e5de4e3c47b67d76aa3052d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1602",
    "kind": "arxiv",
    "version": 1
  }
}