Pith Number

pith:2PKZ36GA

pith:2018:2PKZ36GAPKD6CZ6W7RLT4JAPPI

not attested not anchored not stored refs pending

Stellar and nebular diagnostics in the UV for star-forming galaxies

2, (2) Australian National University, 3), (3) ASTRO 3D, (4) Harvard University, (5) University of Wisconsin), Benjamin Johnson (4), Charlie Conroy (4), Danielle Berg (5). ((1) University of Washington, Emily Levesque (1), Julianne Dalcanton (1), Nell Byler (1

arxiv:1803.04425 v2 · 2018-03-12 · 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{2PKZ36GAPKD6CZ6W7RLT4JAPPI}

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	2026-05-18T00:08:35.902656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d59df8c07a87e167d6fc573e240f7a1463195a7b622f033edba37f9ac75dc1

Aliases

arxiv: 1803.04425 · arxiv_version: 1803.04425v2 · doi: 10.48550/arxiv.1803.04425 · pith_short_12: 2PKZ36GAPKD6 · pith_short_16: 2PKZ36GAPKD6CZ6W · pith_short_8: 2PKZ36GA

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/2PKZ36GAPKD6CZ6W7RLT4JAPPI \
  | 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: d3d59df8c07a87e167d6fc573e240f7a1463195a7b622f033edba37f9ac75dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cf429d6aeea0bf4a59affde02e7b3a909815d01ef54223bcbc79638a11a502",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-12T18:00:15Z",
    "title_canon_sha256": "3770adf998d10a572a8f064c569bd8ea1bff68744c0b3a3e72292bda10a104d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04425",
    "kind": "arxiv",
    "version": 2
  }
}