Pith Number

pith:ZOCFXIXL

pith:2013:ZOCFXIXLVJO7W6AKNOIQTKM32U

not attested not anchored not stored refs pending

The abundances of hydrocarbon functional groups in the interstellar medium inferred from laboratory spectra of hydrogenated and methylated polycyclic aromatic hydrocarbons

Cornelia J\"ager, Friedrich Huisken, Hans-Joachim R\"ader, Klaus M\"ullen, Manfred Friedrich, Mathias Steglich, Thomas Henning, Winfried Plass

arxiv:1308.4080 v2 · 2013-08-19 · astro-ph.GA · 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{ZOCFXIXLVJO7W6AKNOIQTKM32U}

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	2026-05-18T03:11:46.155707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb845ba2ebaa5dfb780a6b9109a99bd52b132e13bda316611afe898350ad1f4b

Aliases

arxiv: 1308.4080 · arxiv_version: 1308.4080v2 · doi: 10.48550/arxiv.1308.4080 · pith_short_12: ZOCFXIXLVJO7 · pith_short_16: ZOCFXIXLVJO7W6AK · pith_short_8: ZOCFXIXL

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/ZOCFXIXLVJO7W6AKNOIQTKM32U \
  | 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: cb845ba2ebaa5dfb780a6b9109a99bd52b132e13bda316611afe898350ad1f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21588859b0809a117d777dba5ac032b3ebcdcb277b6e989f71a9580c67fa424c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-19T17:26:05Z",
    "title_canon_sha256": "9c8a020d48f2c53f6619d7c9b6cda79e2d46ad7ce5274a740b710e6efdaaa668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4080",
    "kind": "arxiv",
    "version": 2
  }
}