Pith Number

pith:2YPNBIEJ

pith:2005:2YPNBIEJU5N7WE4HSZR7OK2F2J

not attested not anchored not stored refs pending

Rotational Spectroscopy of PAHs: Acenaphthene, Acenaphthylene and Fluorene

C. A. Gottlieb, M. C. McCarthy, P. Thaddeus, P. Theule, S. Thorwirth

arxiv:astro-ph/0509709 v1 · 2005-09-23 · astro-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{2YPNBIEJU5N7WE4HSZR7OK2F2J}

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	2026-05-18T01:40:33.394607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d61ed0a089a75bfb13879663f72b45d27af208fc0f0535143be72ff2c3140142

Aliases

arxiv: astro-ph/0509709 · arxiv_version: astro-ph/0509709v1 · doi: 10.48550/arxiv.astro-ph/0509709 · pith_short_12: 2YPNBIEJU5N7 · pith_short_16: 2YPNBIEJU5N7WE4H · pith_short_8: 2YPNBIEJ

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/2YPNBIEJU5N7WE4HSZR7OK2F2J \
  | 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: d61ed0a089a75bfb13879663f72b45d27af208fc0f0535143be72ff2c3140142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe17c8611d3b2149c8639a7f8a3766b3b713914a889124a275078d907d66046e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-23T09:08:11Z",
    "title_canon_sha256": "350399c3d8181e3a5f55c188268bc3c371ba75ba8183d15e037cc52777e87eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509709",
    "kind": "arxiv",
    "version": 1
  }
}