Pith Number

pith:2FRSE3ER

pith:2024:2FRSE3ERO42XKUPZXQC6BKLBZH

not attested not anchored not stored refs pending

The Optical to Infrared $0.6-5.3\,{\rm \mu m}$ Dust Extinction Law of the Milky Way with JWST NIRSpec: Westerlund 2

Shu Wang, Xiaodian Chen

arxiv:2402.17239 v1 · 2024-02-27 · 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{2FRSE3ERO42XKUPZXQC6BKLBZH}

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	2026-07-05T07:49:44.534911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d163226c9177357551f9bc05e0a961c9ceb2629db044eacaeb345f9d720abcc3

Aliases

arxiv: 2402.17239 · arxiv_version: 2402.17239v1 · doi: 10.48550/arxiv.2402.17239 · pith_short_12: 2FRSE3ERO42X · pith_short_16: 2FRSE3ERO42XKUPZ · pith_short_8: 2FRSE3ER

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/2FRSE3ERO42XKUPZXQC6BKLBZH \
  | 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: d163226c9177357551f9bc05e0a961c9ceb2629db044eacaeb345f9d720abcc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589220b9f37227cef2e7b159f5d182f7a94c5b8bfd211f9f425e5c88215c9aa4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-02-27T06:15:31Z",
    "title_canon_sha256": "eb4d1799f47f7a767187556df0d5ee65fc21d1e4fb1325f1ad17a43a58653b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.17239",
    "kind": "arxiv",
    "version": 1
  }
}