Pith Number

pith:I4SQ6XZL

pith:2026:I4SQ6XZL5SOU4XR43TISJ4EK7X

not attested not anchored not stored refs pending

Developing fast, accurate and spin pure calculations of organic diradical electronic structure

Hugh G. A. Burton, Joseph T. Kielty, Timothy J. H. Hele

arxiv:2606.25564 v1 · 2026-06-24 · 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{I4SQ6XZL5SOU4XR43TISJ4EK7X}

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	2026-06-25T01:18:08.921436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47250f5f2bec9d4e5e3cdcd124f08afdfb246d27257ea7356b92557ae6843aed

Aliases

arxiv: 2606.25564 · arxiv_version: 2606.25564v1 · doi: 10.48550/arxiv.2606.25564 · pith_short_12: I4SQ6XZL5SOU · pith_short_16: I4SQ6XZL5SOU4XR4 · pith_short_8: I4SQ6XZL

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/I4SQ6XZL5SOU4XR43TISJ4EK7X \
  | 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: 47250f5f2bec9d4e5e3cdcd124f08afdfb246d27257ea7356b92557ae6843aed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839a49bce16a4cf58cdf5a0bbbfc1b53c38a0b5f3470b9c6f98a00baf925985d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-06-24T08:40:02Z",
    "title_canon_sha256": "e33a1e0f938b93481faab3dc88c9e90df29747b6ecfc9ecc56cd8eff0ff4e4be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25564",
    "kind": "arxiv",
    "version": 1
  }
}