Pith Number

pith:RODJD5TE

pith:2010:RODJD5TETHUSMUSPGYWNEOGMQI

not attested not anchored not stored refs pending

Discovery of the Calcium Isotopes

J.L. Gross, M. Thoennessen

arxiv:1004.4934 v2 · 2010-04-28 · 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{RODJD5TETHUSMUSPGYWNEOGMQI}

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	2026-05-18T04:41:15.117798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b8691f66499e926524f362cd238cc8202e288aeef9aaf61cd6c77eb7af2cd33

Aliases

arxiv: 1004.4934 · arxiv_version: 1004.4934v2 · doi: 10.48550/arxiv.1004.4934 · pith_short_12: RODJD5TETHUS · pith_short_16: RODJD5TETHUSMUSP · pith_short_8: RODJD5TE

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/RODJD5TETHUSMUSPGYWNEOGMQI \
  | 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: 8b8691f66499e926524f362cd238cc8202e288aeef9aaf61cd6c77eb7af2cd33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e97367c150eec63592e8e34511a61b5edc61932b3a0fb19baafcb5ad330dd58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2010-04-28T00:35:28Z",
    "title_canon_sha256": "895a726946ac008e9939b3e2053b708bc7f675051d48b7d2f492a165f4f8f6fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4934",
    "kind": "arxiv",
    "version": 2
  }
}