Pith Number

pith:MOEWZDJK

pith:2021:MOEWZDJKIGQNXF6PWA34HAMGTP

not attested not anchored not stored refs pending

Infrared variable stars in the compact elliptical galaxy M32

A. M. N. Ferguson, C. Nally, F. Kemper, I. McDonald, M. J. Sharp, M. L. Boyer, M. Meixner, O. C. Jones, R. M. Rich, S. R. Goldman

arxiv:2103.15857 v1 · 2021-03-29 · 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{MOEWZDJKIGQNXF6PWA34HAMGTP}

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	2026-07-05T02:31:56.187699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63896c8d2a41a0db97cfb037c381869be766155e01f62b90dd87a77d821357a1

Aliases

arxiv: 2103.15857 · arxiv_version: 2103.15857v1 · doi: 10.48550/arxiv.2103.15857 · pith_short_12: MOEWZDJKIGQN · pith_short_16: MOEWZDJKIGQNXF6P · pith_short_8: MOEWZDJK

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/MOEWZDJKIGQNXF6PWA34HAMGTP \
  | 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: 63896c8d2a41a0db97cfb037c381869be766155e01f62b90dd87a77d821357a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa699e54135bbd126cfe0b35111d31cc53138f2a6c42a1f4ba602177d0ab82b9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-29T18:07:10Z",
    "title_canon_sha256": "04b6ccd910e77d608af78a78996485c4fac0afb2fce22677d92e36492f32d186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15857",
    "kind": "arxiv",
    "version": 1
  }
}