Pith Number

pith:W2G3IVCJ

pith:2017:W2G3IVCJEQHH5BTUVU4EVS34UE

not attested not anchored not stored refs pending

The Small Magellanic Cloud Investigation of Dust and Gas Evolution (SMIDGE): The Dust Extinction Curve from Red Clump Stars

Andrew E. Dolphin, Benjamin F. Williams, Daniel R. Weisz, Julianne Dalcanton, Julia Roman-Duval, Karin M. Sandstrom, Karl Gordon, L. Clifton Johnson, Petia Yanchulova Merica-Jones

arxiv:1709.01093 v1 · 2017-09-04 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2G3IVCJEQHH5BTUVU4EVS34UE}

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	2026-07-05T01:45:00.293486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68db45449240e7e8674ad384acb7ca13045c6b8a609c46eeba85771300ee022

Aliases

arxiv: 1709.01093 · arxiv_version: 1709.01093v1 · doi: 10.48550/arxiv.1709.01093 · pith_short_12: W2G3IVCJEQHH · pith_short_16: W2G3IVCJEQHH5BTU · pith_short_8: W2G3IVCJ

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/W2G3IVCJEQHH5BTUVU4EVS34UE \
  | 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: b68db45449240e7e8674ad384acb7ca13045c6b8a609c46eeba85771300ee022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4986bd9ec29a6f23dd7720bc9711ac770cbb8837b57d7e3552f6b264552b580",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-04T18:01:05Z",
    "title_canon_sha256": "7897b3c28b9c320971e1a8ac69639b6268ac52ec79c1dbb915c5987c6dd199df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01093",
    "kind": "arxiv",
    "version": 1
  }
}