Pith Number

pith:JMRI4TWD

pith:2009:JMRI4TWD4LVLZPXQJW5SIRT4Y4

not attested not anchored not stored refs pending

Angular bremsstrahlung during $\alpha$-decay, emission from the internal region and unified formula of the bremsstrahlung probability

National Academy of Science of Ukraine), Sergei P. Maydanyuk (Institute for Nuclear Research

arxiv:0904.2247 v2 · 2009-04-15 · nucl-th · hep-th · nucl-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{JMRI4TWD4LVLZPXQJW5SIRT4Y4}

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	2026-05-18T02:14:00.353081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d

Aliases

arxiv: 0904.2247 · arxiv_version: 0904.2247v2 · doi: 10.48550/arxiv.0904.2247 · pith_short_12: JMRI4TWD4LVL · pith_short_16: JMRI4TWD4LVLZPXQ · pith_short_8: JMRI4TWD

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/JMRI4TWD4LVLZPXQJW5SIRT4Y4 \
  | 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: 4b228e4ec3e2eabcbef04dbb24467cc720540dddfc647eaf278ebe03baf7100d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e86e51b3b4d943d449062a18dd151af1565c8a87e97bad217c1ba79696d34b0c",
    "cross_cats_sorted": [
      "hep-th",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2009-04-15T07:03:28Z",
    "title_canon_sha256": "49a8baad6ff3da88cf4538a0030a91f6d082ff2ad52b680c0f47b400482db78d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2247",
    "kind": "arxiv",
    "version": 2
  }
}