Pith Number

pith:IFQWCSKC

pith:2015:IFQWCSKCQPWECWPVNDSF2V45US

not attested not anchored not stored refs pending

Systematic calculations of $\alpha$-decay half-lives with an improved empirical formula

J. Y. Guo, Q.Liu, Z. M. Niu, Z. Y. Wang

arxiv:1503.01515 v1 · 2015-03-05 · 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{IFQWCSKCQPWECWPVNDSF2V45US}

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	2026-05-18T01:40:53.363968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416161494283ec4159f568e45d579da49bc1de01109778804638403b0232ced2

Aliases

arxiv: 1503.01515 · arxiv_version: 1503.01515v1 · doi: 10.48550/arxiv.1503.01515 · pith_short_12: IFQWCSKCQPWE · pith_short_16: IFQWCSKCQPWECWPV · pith_short_8: IFQWCSKC

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/IFQWCSKCQPWECWPVNDSF2V45US \
  | 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: 416161494283ec4159f568e45d579da49bc1de01109778804638403b0232ced2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48df853f27d87e74a6e594fbc2c6baf71ff869e8fa79929f17d4ffc8a5a3fc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2015-03-05T02:29:07Z",
    "title_canon_sha256": "fcd5821a8ecf756d7f7492dbb57057f383116e5b91df5158b3491be6a6d5ab09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01515",
    "kind": "arxiv",
    "version": 1
  }
}