Pith Number

pith:PSF72NG7

pith:2015:PSF72NG744N5OEB4PXCHLXMRBY

not attested not anchored not stored refs pending

Isolated ellipticals and their globular cluster systems III. NGC 2271, NGC 2865, NGC 3962, NGC 4240 and IC 4889

A. Alabi, R. R. Lane, R. Salinas, T. Richtler

arxiv:1502.06148 v1 · 2015-02-21 · 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{PSF72NG744N5OEB4PXCHLXMRBY}

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	2026-05-18T01:36:51.346546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c8bfd34dfe71bd7103c7dc475dd910e0f74a7f47e2a9e50668df8f621b4dec0

Aliases

arxiv: 1502.06148 · arxiv_version: 1502.06148v1 · doi: 10.48550/arxiv.1502.06148 · pith_short_12: PSF72NG744N5 · pith_short_16: PSF72NG744N5OEB4 · pith_short_8: PSF72NG7

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/PSF72NG744N5OEB4PXCHLXMRBY \
  | 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: 7c8bfd34dfe71bd7103c7dc475dd910e0f74a7f47e2a9e50668df8f621b4dec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6636d36ed82b89c3e7b40400c03076272993f20a0189be85c8dd773d9a4a1b5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-21T22:29:15Z",
    "title_canon_sha256": "467361e38d8c576bcfb7e1e1e461e78c5f0ac81ed41c6b2523fa0b54fa47e0c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06148",
    "kind": "arxiv",
    "version": 1
  }
}