Pith Number

pith:LRBOU7JJ

pith:2023:LRBOU7JJOBHKGEEP2IKRIAAD66

not attested not anchored not stored refs pending

Excited-state normal-modes analysis: the case of porphyrins

Carlo Andrea Rozzi, Deborah Prezzi, Pavel Rukin

arxiv:2307.04511 v1 · 2023-07-10 · 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{LRBOU7JJOBHKGEEP2IKRIAAD66}

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	2026-07-05T06:29:14.441203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c42ea7d29704ea3108fd215140003f7b9819d535f7f6b550f6af39861762bc9

Aliases

arxiv: 2307.04511 · arxiv_version: 2307.04511v1 · doi: 10.48550/arxiv.2307.04511 · pith_short_12: LRBOU7JJOBHK · pith_short_16: LRBOU7JJOBHKGEEP · pith_short_8: LRBOU7JJ

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/LRBOU7JJOBHKGEEP2IKRIAAD66 \
  | 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: 5c42ea7d29704ea3108fd215140003f7b9819d535f7f6b550f6af39861762bc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "886f1f6755f2ae1f5f55b1f1145ab623f4d9db84dcb9e66826546d6c1a41673a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2023-07-10T12:13:49Z",
    "title_canon_sha256": "e7fa858dfc5cd6f4e21d4601e456defdf9bf03c08ea9917eb239096655fae1c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.04511",
    "kind": "arxiv",
    "version": 1
  }
}