Pith Number

pith:ICFNCWG4

pith:2012:ICFNCWG4NSR6EDCMCXKMRGU6MC

not attested not anchored not stored refs pending

The smoothness of the interstellar extinction curve in the UV. Comparison with recent laboratory measurements of PAH mixtures

Cornelia J\"ager, Friedrich Huisken, Hans-Joachim R\"ader, Mathias Steglich, Thomas Henning, Yvain Carpentier

arxiv:1203.2026 v2 · 2012-03-09 · 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{ICFNCWG4NSR6EDCMCXKMRGU6MC}

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	2026-05-18T03:58:25.980724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

408ad158dc6ca3e20c4c15d4c89a9e60ac9485863ca92b2bf87b3fefb4d7b81a

Aliases

arxiv: 1203.2026 · arxiv_version: 1203.2026v2 · doi: 10.48550/arxiv.1203.2026 · pith_short_12: ICFNCWG4NSR6 · pith_short_16: ICFNCWG4NSR6EDCM · pith_short_8: ICFNCWG4

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/ICFNCWG4NSR6EDCMCXKMRGU6MC \
  | 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: 408ad158dc6ca3e20c4c15d4c89a9e60ac9485863ca92b2bf87b3fefb4d7b81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66154b0bb2eae1ea525161fe5941013920a507348265d4cdfd2069066e4f342f",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-09T09:34:46Z",
    "title_canon_sha256": "5f27a60aff8de35842a77f49bce859b963e6ccdd1d3f5c4edc9bd5d886bbc500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2026",
    "kind": "arxiv",
    "version": 2
  }
}