Pith Number

pith:KS5FH5WT

pith:2015:KS5FH5WTG5NNEA63DU3Y5OCC76

not attested not anchored not stored refs pending

The grey extinction of the ionizing cluster in NGC 3603 from ultraviolet to optical wavelengths

Anna Pasquali, Eva K. Grebel, Xiaoying Pang

arxiv:1510.05395 v1 · 2015-10-19 · 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{KS5FH5WTG5NNEA63DU3Y5OCC76}

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	2026-05-18T01:22:00.726054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54ba53f6d3375ad203db1d378eb842ff995025ca72595775eb65f979c3cc3fbb

Aliases

arxiv: 1510.05395 · arxiv_version: 1510.05395v1 · doi: 10.48550/arxiv.1510.05395 · pith_short_12: KS5FH5WTG5NN · pith_short_16: KS5FH5WTG5NNEA63 · pith_short_8: KS5FH5WT

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/KS5FH5WTG5NNEA63DU3Y5OCC76 \
  | 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: 54ba53f6d3375ad203db1d378eb842ff995025ca72595775eb65f979c3cc3fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e75308dae3d86ee38621929aa3abc8b4b5d4f923ecc7a4877f71b75e0f1f1f50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-19T08:53:32Z",
    "title_canon_sha256": "03a56632473915bacb4e9d2205e7485f929d2b1d6eab4ccc85b92ccf94c061d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05395",
    "kind": "arxiv",
    "version": 1
  }
}