Pith Number

pith:7MYW57SL

pith:2013:7MYW57SLF7L62VF6BE2BJ2C3OM

not attested not anchored not stored refs pending

Pulsational instability of supergiant protostars: Do they grow supermassive by accretion?

Kazuyuki Omukai, Kohei Inayoshi, Takashi Hosokawa

arxiv:1302.6065 v1 · 2013-02-25 · 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{7MYW57SLF7L62VF6BE2BJ2C3OM}

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	2026-05-18T01:51:28.976414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb316efe4b2fd7ed54be093414e85b7303b1c12474ddd073e233d2a87c861990

Aliases

arxiv: 1302.6065 · arxiv_version: 1302.6065v1 · doi: 10.48550/arxiv.1302.6065 · pith_short_12: 7MYW57SLF7L6 · pith_short_16: 7MYW57SLF7L62VF6 · pith_short_8: 7MYW57SL

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/7MYW57SLF7L62VF6BE2BJ2C3OM \
  | 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: fb316efe4b2fd7ed54be093414e85b7303b1c12474ddd073e233d2a87c861990

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1891ef9d461a4012bb893e24edd4b50a7a7f1174997b1377d494ea92a563091",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-25T11:53:17Z",
    "title_canon_sha256": "f193fda60c536fa2bd160b6dfc2bffe7f6a8b26e8c8ba2e8e2f69b1abcb657d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6065",
    "kind": "arxiv",
    "version": 1
  }
}