Pith Number

pith:PHXUQY32

pith:2025:PHXUQY32CCGKE4KYELMEIIHVN2

not attested not anchored not stored refs pending

Optical excitations in nanographenes from the Bethe-Salpeter equation and time-dependent density functional theory: absorption spectra and spatial descriptors

Jan Wilhelm, Maximilian Graml

arxiv:2510.25658 v1 · 2025-10-29 · physics.comp-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{PHXUQY32CCGKE4KYELMEIIHVN2}

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	2026-05-29T02:05:37.437064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79ef48637a108ca2715822d84420f56e9a078f30c0800aaf565f662353a53422

Aliases

arxiv: 2510.25658 · arxiv_version: 2510.25658v1 · doi: 10.48550/arxiv.2510.25658 · pith_short_12: PHXUQY32CCGK · pith_short_16: PHXUQY32CCGKE4KY · pith_short_8: PHXUQY32

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/PHXUQY32CCGKE4KYELMEIIHVN2 \
  | 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: 79ef48637a108ca2715822d84420f56e9a078f30c0800aaf565f662353a53422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22f339518f8ffb08ee4e6a9a7349a5735f8c668c09178fb58d705c83c60f1df",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-10-29T16:22:59Z",
    "title_canon_sha256": "648e3e5d05c5ac6e0190193fba30dc3b8cd7038f827779faf2dc512c8820dfde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.25658",
    "kind": "arxiv",
    "version": 1
  }
}