Pith Number

pith:PMGRQVTX

pith:2015:PMGRQVTXQJSGBTETFL2QVIWVAW

not attested not anchored not stored refs pending

Supermassive star formation via episodic accretion: protostellar disc instability and radiative feedback efficiency

Eduard I. Vorobyov, Harold W. Yorke, Kazuyuki Omukai, Naoki Yoshida, Takashi Hosokawa, Yuya Sakurai

arxiv:1511.06080 v1 · 2015-11-19 · 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{PMGRQVTXQJSGBTETFL2QVIWVAW}

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	2026-05-18T01:18:41.391087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0d185677826460cc932af50aa2d505980529800cfaeed04b31f61c7c3e8768

Aliases

arxiv: 1511.06080 · arxiv_version: 1511.06080v1 · doi: 10.48550/arxiv.1511.06080 · pith_short_12: PMGRQVTXQJSG · pith_short_16: PMGRQVTXQJSGBTET · pith_short_8: PMGRQVTX

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/PMGRQVTXQJSGBTETFL2QVIWVAW \
  | 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: 7b0d185677826460cc932af50aa2d505980529800cfaeed04b31f61c7c3e8768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e9628999a92124e463645c587d414c04a7a3c3def7a015faca27c438955491",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-19T07:27:12Z",
    "title_canon_sha256": "bab112265296c525f2608c64f7f383e10860b3f3cf1485a6f1bdd33955221af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06080",
    "kind": "arxiv",
    "version": 1
  }
}