Pith Number

pith:RRZ5FWQ2

pith:2025:RRZ5FWQ22STW523EC2BRRG6HUF

not attested not anchored not stored refs pending

Precision Spectroscopy of the Fine Structure in the $\boldsymbol{a\;{}^3\Sigma_u^+(v=0)}$ and $\boldsymbol{c\;{}^3\Sigma_g^+(v=4)}$ States of the Helium Dimer

F. Merkt, M. Holdener, V. Wirth

arxiv:2508.08060 v2 · 2025-08-11 · physics.atom-ph · physics.chem-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{RRZ5FWQ22STW523EC2BRRG6HUF}

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	2026-07-05T11:57:38.643504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c73d2da1ad4a76eeb641683189bc7a1638123a06f6f8dbf55b89e417a6eb546

Aliases

arxiv: 2508.08060 · arxiv_version: 2508.08060v2 · doi: 10.48550/arxiv.2508.08060 · pith_short_12: RRZ5FWQ22STW · pith_short_16: RRZ5FWQ22STW523E · pith_short_8: RRZ5FWQ2

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/RRZ5FWQ22STW523EC2BRRG6HUF \
  | 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: 8c73d2da1ad4a76eeb641683189bc7a1638123a06f6f8dbf55b89e417a6eb546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa162a1b31854832e05c0b0014eb336858d7860aa3f8f7908bff1ff6ca198f63",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-08-11T15:03:42Z",
    "title_canon_sha256": "810f772d88eb012a230d0c7285eaefc3b2b65c0e89da5873b9a0fbcc2e7868ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.08060",
    "kind": "arxiv",
    "version": 2
  }
}