Pith Number

pith:IEOB57EY

pith:2021:IEOB57EYJEJH2TM5OR3DV3C5JJ

not attested not anchored not stored refs pending

Massive White Dwarfs in Young Star Clusters

David R. Miller, Harvey B. Richer, Helen Du, Ilaria Caiazzo, James Hegarty, Jeremy Heyl, Ronan Kerr, Sarah Thiele, Steffani Grondin

arxiv:2101.08300 v1 · 2021-01-20 · 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{IEOB57EYJEJH2TM5OR3DV3C5JJ}

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	2026-07-05T02:43:15.843038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411c1efc9849127d4d9d74763aec5d4a4f940e745c1645b054d4a3a18c35e6f6

Aliases

arxiv: 2101.08300 · arxiv_version: 2101.08300v1 · doi: 10.48550/arxiv.2101.08300 · pith_short_12: IEOB57EYJEJH · pith_short_16: IEOB57EYJEJH2TM5 · pith_short_8: IEOB57EY

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/IEOB57EYJEJH2TM5OR3DV3C5JJ \
  | 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: 411c1efc9849127d4d9d74763aec5d4a4f940e745c1645b054d4a3a18c35e6f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "695281431891d3ed9e60e90a894a866d03d8a9b3948474e33ce91ada4ff1a90b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-01-20T19:53:41Z",
    "title_canon_sha256": "6f1cde3e299920350dafcf2fa62d543fc00623119c20402686505fa6bb1ef691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08300",
    "kind": "arxiv",
    "version": 1
  }
}