Pith Number

pith:M7FYZWKN

pith:2021:M7FYZWKNYTVBQAYZQCYJVGIK3F

not attested not anchored not stored refs pending

Lifetime of the $^2F_{7/2}$ level in Yb$^+$ for spontaneous emission of electric octupole radiation

A. A. Peshkov, A. Surzhykov, Chr. Tamm, E. Peik, N. Huntemann, R. Lange

arxiv:2107.11229 v2 · 2021-07-23 · physics.atom-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7FYZWKNYTVBQAYZQCYJVGIK3F}

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	2026-05-17T23:39:18.633840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67cb8cd94dc4ea18031980b09a990ad940e6b71f7f56c33ad6983306447c48c0

Aliases

arxiv: 2107.11229 · arxiv_version: 2107.11229v2 · doi: 10.48550/arxiv.2107.11229 · pith_short_12: M7FYZWKNYTVB · pith_short_16: M7FYZWKNYTVBQAYZ · pith_short_8: M7FYZWKN

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/M7FYZWKNYTVBQAYZQCYJVGIK3F \
  | 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: 67cb8cd94dc4ea18031980b09a990ad940e6b71f7f56c33ad6983306447c48c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1eefef8db32b0e33dc6ee27c9baf22ed78e41be001eddb43bddd87aae1f7a60",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2021-07-23T13:38:01Z",
    "title_canon_sha256": "ca23e464287a4d06a3ed2c0e2c2542bbdcf316088b240e1c2a01c9cfb904e9d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11229",
    "kind": "arxiv",
    "version": 2
  }
}