Pith Number

pith:WL5QNEZY

pith:2021:WL5QNEZYMKHH2KAESGREEYKBJ2

not attested not anchored not stored refs pending

IRMPD spectroscopy of a PAH cation using FELICE: The infrared spectrum and photodissociation of dibenzo[a,l]pyrene

Alessandra Candian, Annemieke Petrignani, Mathias Rapacioli, Sandra Denise Wiersma

arxiv:2110.09249 v1 · 2021-10-18 · physics.chem-ph · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL5QNEZYMKHH2KAESGREEYKBJ2}

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	2026-07-05T03:25:34.961684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2fb069338628e7d280491a24261414ea9ca845930b28a15901bfc70660fc31a

Aliases

arxiv: 2110.09249 · arxiv_version: 2110.09249v1 · doi: 10.48550/arxiv.2110.09249 · pith_short_12: WL5QNEZYMKHH · pith_short_16: WL5QNEZYMKHH2KAE · pith_short_8: WL5QNEZY

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/WL5QNEZYMKHH2KAESGREEYKBJ2 \
  | 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: b2fb069338628e7d280491a24261414ea9ca845930b28a15901bfc70660fc31a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2600252445216f46d92f7da5b085a1b4c098be306d38f639fdb7f5505502cd07",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2021-10-18T12:52:25Z",
    "title_canon_sha256": "a1200157b7ae511ac3a628f60fefcbe8f8c0d94650153a732538842295644d74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09249",
    "kind": "arxiv",
    "version": 1
  }
}