Pith Number

pith:P7KO5UZ4

pith:2026:P7KO5UZ4ZMAHFTP7OHCOMHS2ZL

not attested not anchored not stored refs pending

Ab initio calculations of the electronic structure of Ac$^+$

Anastasia Borschevsky, Genevieve Geehan, Johan David Polet, Julian Berengut, Marten Luit Reitsma, Mustapha Laatiaoui

arxiv:2602.06528 v2 · 2026-02-06 · 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{P7KO5UZ4ZMAHFTP7OHCOMHS2ZL}

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	2026-07-08T01:19:10.215383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd4eed33ccb0072cdff71c4e61e5acaf911ad69b865f1fddeaa96d3937a7ccd

Aliases

arxiv: 2602.06528 · arxiv_version: 2602.06528v2 · doi: 10.48550/arxiv.2602.06528 · pith_short_12: P7KO5UZ4ZMAH · pith_short_16: P7KO5UZ4ZMAHFTP7 · pith_short_8: P7KO5UZ4

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/P7KO5UZ4ZMAHFTP7OHCOMHS2ZL \
  | 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: 7fd4eed33ccb0072cdff71c4e61e5acaf911ad69b865f1fddeaa96d3937a7ccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5bb0d755e8747b4a391dd7806d3b1492d8ad06f8470b2791e987b3ecf4acb4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2026-02-06T09:29:21Z",
    "title_canon_sha256": "84b02e7e5da93b5b537cf7d7274220ac6d0a7dc957817d1e45baddb20c3bfda4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.06528",
    "kind": "arxiv",
    "version": 2
  }
}