Pith Number

pith:CJX7YHAX

pith:2019:CJX7YHAXFRUGWG4L4ZE35XJ5UY

not attested not anchored not stored refs pending

The Swift/UVOT Stars Survey. III. Photometry and Color-Magnitude Diagrams of 103 Galactic Open Clusters

Blair L. Porterfield, Caryl A. Gronwall, Lea M. Z. Hagen, Michael H. Siegel, Samuel J. Laporte

arxiv:1905.04359 v1 · 2019-05-10 · astro-ph.SR · 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{CJX7YHAXFRUGWG4L4ZE35XJ5UY}

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	2026-05-17T23:41:08.683555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

126ffc1c172c686b1b8be649bedd3da61826d3ff12de30cf31f725a01c9b6a3f

Aliases

arxiv: 1905.04359 · arxiv_version: 1905.04359v1 · doi: 10.48550/arxiv.1905.04359 · pith_short_12: CJX7YHAXFRUG · pith_short_16: CJX7YHAXFRUGWG4L · pith_short_8: CJX7YHAX

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/CJX7YHAXFRUGWG4L4ZE35XJ5UY \
  | 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: 126ffc1c172c686b1b8be649bedd3da61826d3ff12de30cf31f725a01c9b6a3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee9ffc70261d74f09644e85f3de250be8a2641b67321abee16e6b5fc8f0b403a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-10T19:48:00Z",
    "title_canon_sha256": "9a357510d30953191342e8314f5fae8b167ab50701474956c6d8112780633f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04359",
    "kind": "arxiv",
    "version": 1
  }
}