Pith Number

pith:DOUGEQV4

pith:2020:DOUGEQV4K4WRSEOSPYGG5Z5UTW

not attested not anchored not stored refs pending

Hyperfine structure constants on the relativistic coupled cluster level with associated uncertainties

Anastasia Borschevsky, Ephraim Eliav, Miroslav Ilia\v{s}, Pi A. B. Haase

arxiv:2002.00887 v1 · 2020-02-03 · 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{DOUGEQV4K4WRSEOSPYGG5Z5UTW}

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	2026-07-05T01:14:36.998004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba86242bc572d1911d27e0c6ee7b49d82b81f89234d594d964abe7f78ac2ecb

Aliases

arxiv: 2002.00887 · arxiv_version: 2002.00887v1 · doi: 10.48550/arxiv.2002.00887 · pith_short_12: DOUGEQV4K4WR · pith_short_16: DOUGEQV4K4WRSEOS · pith_short_8: DOUGEQV4

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/DOUGEQV4K4WRSEOSPYGG5Z5UTW \
  | 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: 1ba86242bc572d1911d27e0c6ee7b49d82b81f89234d594d964abe7f78ac2ecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c496f516a03e41f515a16e4032317afee664889b75378243207d21f563a8c912",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2020-02-03T16:58:33Z",
    "title_canon_sha256": "912929b895b1772bd734daeb33bcb8d3d26dde4239db09e11e51bded7380b5b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00887",
    "kind": "arxiv",
    "version": 1
  }
}