Pith Number

pith:S35UINK3

pith:2016:S35UINK3O5NGNPMMRVP2GCSPWT

not attested not anchored not stored refs pending

Two Massive White Dwarfs from NGC 2323 and the Initial-Final Mass Relation for Progenitors of 4 to 6.5 M$_\odot$

Enrico Ramirez-Ruiz, Jason S. Kalirai, Jeffrey D. Cummings, P.-E. Tremblay

arxiv:1601.03053 v1 · 2016-01-12 · 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{S35UINK3O5NGNPMMRVP2GCSPWT}

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	2026-05-18T01:20:40.290455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96fb44355b775a66bd8c8d5fa30a4fb4c81fd360737fb54b72fa5b968fc3cb68

Aliases

arxiv: 1601.03053 · arxiv_version: 1601.03053v1 · doi: 10.48550/arxiv.1601.03053 · pith_short_12: S35UINK3O5NG · pith_short_16: S35UINK3O5NGNPMM · pith_short_8: S35UINK3

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/S35UINK3O5NGNPMMRVP2GCSPWT \
  | 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: 96fb44355b775a66bd8c8d5fa30a4fb4c81fd360737fb54b72fa5b968fc3cb68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72d588f1a850783f657e5805ce86fd7077bce3fa071dcca5f4d82b660b09c55c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-12T21:01:01Z",
    "title_canon_sha256": "d495ac02bbaa159146da3825642aebea5ab2ddf2e5c394048a068f6eee1d910f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03053",
    "kind": "arxiv",
    "version": 1
  }
}