Pith Number

pith:7U5CKUOR

pith:2016:7U5CKUOR4OSWSOD5FATWDN4AAP

not attested not anchored not stored refs pending

Electronic isotope shift factors for the Cu $4s \; ^2S_{1/2} - 4p \; ^2P^o_{3/2}$ line

Michel Godefroid, Thomas Carette

arxiv:1602.06574 v1 · 2016-02-21 · physics.atom-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{7U5CKUOR4OSWSOD5FATWDN4AAP}

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	2026-05-18T01:20:13.646697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd3a2551d1e3a569387d282761b78003d0b3b01548ec1cb5a277db3bc37f4dea

Aliases

arxiv: 1602.06574 · arxiv_version: 1602.06574v1 · doi: 10.48550/arxiv.1602.06574 · pith_short_12: 7U5CKUOR4OSW · pith_short_16: 7U5CKUOR4OSWSOD5 · pith_short_8: 7U5CKUOR

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/7U5CKUOR4OSWSOD5FATWDN4AAP \
  | 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: fd3a2551d1e3a569387d282761b78003d0b3b01548ec1cb5a277db3bc37f4dea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00db05dbc2474c9e24b6fe14a6bb3d62c10e6417360455b99481ce7c725c035c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-02-21T20:28:12Z",
    "title_canon_sha256": "d420f7036e1c3e624cbbfcf4f66d76e1c486d16b97d4325fce58ba035811436a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06574",
    "kind": "arxiv",
    "version": 1
  }
}