Pith Number

pith:SDCI5BSY

pith:2017:SDCI5BSYHFIWDYW4FZRAYOJPC6

not attested not anchored not stored refs pending

Precise measurement of hyperfine structure in the $ \rm {3\,S_{1/2}} $ state of $ \rm{^7Li} $

Pushpander Kumar, Vasant Natarajan

arxiv:1703.03557 v1 · 2017-03-10 · physics.atom-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDCI5BSYHFIWDYW4FZRAYOJPC6}

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	2026-05-18T00:48:58.760463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c48e8658395161e2dc2e620c392f17ae1fb368f5857b777890f50ede1a4add

Aliases

arxiv: 1703.03557 · arxiv_version: 1703.03557v1 · doi: 10.48550/arxiv.1703.03557 · pith_short_12: SDCI5BSYHFIW · pith_short_16: SDCI5BSYHFIWDYW4 · pith_short_8: SDCI5BSY

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/SDCI5BSYHFIWDYW4FZRAYOJPC6 \
  | 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: 90c48e8658395161e2dc2e620c392f17ae1fb368f5857b777890f50ede1a4add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f03d3e78cc35205c00279642cf171c0e9841d3994ade0a0311d606111667b08a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-03-10T06:58:53Z",
    "title_canon_sha256": "90479cc0a615fd37080777c71c2f8b7ca237e18c4cd1a386f3323cae4af345a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03557",
    "kind": "arxiv",
    "version": 1
  }
}