Pith Number

pith:YKQHC55K

pith:2014:YKQHC55K55IFEMG5Q54RMSLDD6

not attested not anchored not stored refs pending

Anisotropy and Size Effects on the Optical Spectra of Polycyclic Aromatic Hydrocarbons

Alice Ruini, Caterina Cocchi, Deborah Prezzi, Elisa Molinari, Marilia J. Caldas

arxiv:1409.2395 v1 · 2014-09-08 · cond-mat.soft · 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{YKQHC55K55IFEMG5Q54RMSLDD6}

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	2026-05-18T02:43:17.194695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a07177aaef505230dd87791649631f841f7cb340ecab9b4aed64bab69dfc39

Aliases

arxiv: 1409.2395 · arxiv_version: 1409.2395v1 · doi: 10.48550/arxiv.1409.2395 · pith_short_12: YKQHC55K55IF · pith_short_16: YKQHC55K55IFEMG5 · pith_short_8: YKQHC55K

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/YKQHC55K55IFEMG5Q54RMSLDD6 \
  | 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: c2a07177aaef505230dd87791649631f841f7cb340ecab9b4aed64bab69dfc39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f8c89c09432a9abe4f7d8566ce1572e4e1a539f64c9931d7522e65765ba22d",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2014-09-08T15:22:41Z",
    "title_canon_sha256": "bb7c584d04d980abcc527174e5c6678d4dcf19c9482a60f9731c884002092d89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2395",
    "kind": "arxiv",
    "version": 1
  }
}