Pith Number

pith:WGNA4NZ2

pith:2024:WGNA4NZ2WZXNGURNNMMN2B6JYN

not attested not anchored not stored refs pending

Topological Woodward-Hoffmann classification for cycloadditions in polycyclic aromatic azomethine ylides

Amir Mirzanejad, Carlos-Andres Palma, Jia-Tao Sun, Ji Ma, Johannes V. Barth, Juan Li, Klaus M\"ullen, Kun Liu, Lukas Muechler, Marcus Richter, Reinhard Berger, Shixuan Du, Wen-Han Dong, Willi Auw\"arter, Xiao-Ye Wang, Xinliang Feng

arxiv:2407.21756 v2 · 2024-07-31 · 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{WGNA4NZ2WZXNGURNNMMN2B6JYN}

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	2026-07-05T08:50:58.581520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19a0e373ab66ed3522d6b18dd07c9c3758449025ebec1c4a18765df1efe41c2

Aliases

arxiv: 2407.21756 · arxiv_version: 2407.21756v2 · doi: 10.48550/arxiv.2407.21756 · pith_short_12: WGNA4NZ2WZXN · pith_short_16: WGNA4NZ2WZXNGURN · pith_short_8: WGNA4NZ2

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/WGNA4NZ2WZXNGURNNMMN2B6JYN \
  | 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: b19a0e373ab66ed3522d6b18dd07c9c3758449025ebec1c4a18765df1efe41c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f0db00125a5d6c64742566ce071e36275c37ddd5bb6d6b2f94c3e6930a72628",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2024-07-31T17:19:09Z",
    "title_canon_sha256": "2a59d8c7657524c1f5db84936f2cab12bead026fc31dc0d926efeff0d3efc26f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.21756",
    "kind": "arxiv",
    "version": 2
  }
}