Pith Number

pith:R7I3D5GJ

pith:2013:R7I3D5GJRIR4Y6AQJCRKIZGXUS

not attested not anchored not stored refs pending

The SLUGGS Survey: Wide Field Imaging of the Globular Cluster System of NGC 4278

Aaron J. Romanowsky, Christopher Usher, Duncan A. Forbes, Jay Strader, Jean P. Brodie, Kristin A. Woodley, Lee R. Spitler

arxiv:1308.6585 v1 · 2013-08-29 · astro-ph.CO · 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{R7I3D5GJRIR4Y6AQJCRKIZGXUS}

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	2026-05-18T03:06:21.711455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd1b1f4c98a23cc781048a2a464d7a4a04b74a24cb466c4f3c63f6a14bda9ac

Aliases

arxiv: 1308.6585 · arxiv_version: 1308.6585v1 · doi: 10.48550/arxiv.1308.6585 · pith_short_12: R7I3D5GJRIR4 · pith_short_16: R7I3D5GJRIR4Y6AQ · pith_short_8: R7I3D5GJ

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/R7I3D5GJRIR4Y6AQJCRKIZGXUS \
  | 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: 8fd1b1f4c98a23cc781048a2a464d7a4a04b74a24cb466c4f3c63f6a14bda9ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb7d2dcc927b3d2981275e41161c82f32bb99edb058bdecfe0ba495c2c18a2e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-29T20:00:09Z",
    "title_canon_sha256": "aa6cfebdbca980dab5a92dedfa57f3702d2dfa66eda26cde34ea7204310c7f92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6585",
    "kind": "arxiv",
    "version": 1
  }
}