Pith Number

pith:W4XQR7LF

pith:2016:W4XQR7LFSK3XQDM4KUXAGS5APF

not attested not anchored not stored refs pending

Internal conversion from excited electronic states of $^{229}{\mathrm Th}$ ions

Adriana P\'alffy, Georgy A. Kazakov, Iain D. Moore, Pavlo V. Bilous, Thorsten Schumm

arxiv:1612.07300 v1 · 2016-12-21 · physics.atom-ph · 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{W4XQR7LFSK3XQDM4KUXAGS5APF}

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	2026-05-18T00:48:15.713467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72f08fd6592b7780d9c552e034ba0797e8c86116fbd651bfece31926f260620

Aliases

arxiv: 1612.07300 · arxiv_version: 1612.07300v1 · doi: 10.48550/arxiv.1612.07300 · pith_short_12: W4XQR7LFSK3X · pith_short_16: W4XQR7LFSK3XQDM4 · pith_short_8: W4XQR7LF

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/W4XQR7LFSK3XQDM4KUXAGS5APF \
  | 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: b72f08fd6592b7780d9c552e034ba0797e8c86116fbd651bfece31926f260620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd1dfd3b9859dbe4f50155050fe6ebc9a497d481e29e9d528b330d74ec1b18b6",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-12-21T20:01:52Z",
    "title_canon_sha256": "0fd73ebea8cdd8c826790cfa782a44d205852396fbe61277fe014f8861c77b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07300",
    "kind": "arxiv",
    "version": 1
  }
}