Pith Number

pith:WCYDC2CS

pith:2016:WCYDC2CSFILZITO4BZKS3IKMFF

not attested not anchored not stored refs pending

The Final Fates of Accreting Supermassive Stars

Hideyuki Umeda, Kazuyuki Omukai, Naoki Yoshida, Takashi Hosokawa

arxiv:1609.04457 v2 · 2016-09-14 · astro-ph.SR · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCYDC2CSFILZITO4BZKS3IKMFF}

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	2026-05-18T01:01:22.057103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b03168522a17944ddc0e552da14c294dc8918f7d9beafd0fe22fa8ace6595f

Aliases

arxiv: 1609.04457 · arxiv_version: 1609.04457v2 · doi: 10.48550/arxiv.1609.04457 · pith_short_12: WCYDC2CSFILZ · pith_short_16: WCYDC2CSFILZITO4 · pith_short_8: WCYDC2CS

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/WCYDC2CSFILZITO4BZKS3IKMFF \
  | 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: b0b03168522a17944ddc0e552da14c294dc8918f7d9beafd0fe22fa8ace6595f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13800827496aff36c0e5360511d9b7a4d8e254527fa4486e0c8e226fa458ee10",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-14T22:12:25Z",
    "title_canon_sha256": "de6d17fab1af5ea7023fcbf1c763f5b565bccf0f11267f45bd1fda13442e0879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04457",
    "kind": "arxiv",
    "version": 2
  }
}