Pith Number

pith:7SGAAZ6Q

pith:2018:7SGAAZ6QM7QP5OVSCQL5OXN4N6

not attested not anchored not stored refs pending

The effects of metallicity and cooling physics on fragmentation: implications on direct-collapse black hole formation

C. Corbett Moran, M. Y. Grudi\'c, P. F. Hopkins

arxiv:1803.06430 v1 · 2018-03-17 · 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{7SGAAZ6QM7QP5OVSCQL5OXN4N6}

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	2026-05-18T00:20:45.929348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8c0067d067e0febab21417d75dbc6f8bd6f69b3a894aa6c0cf3fa29cbf3841

Aliases

arxiv: 1803.06430 · arxiv_version: 1803.06430v1 · doi: 10.48550/arxiv.1803.06430 · pith_short_12: 7SGAAZ6QM7QP · pith_short_16: 7SGAAZ6QM7QP5OVS · pith_short_8: 7SGAAZ6Q

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/7SGAAZ6QM7QP5OVSCQL5OXN4N6 \
  | 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: fc8c0067d067e0febab21417d75dbc6f8bd6f69b3a894aa6c0cf3fa29cbf3841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f82f382c342137f8e866435859c3a31049712807a2ea378e195f3a6221e2c7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-17T00:08:55Z",
    "title_canon_sha256": "95330c6f706091a310b90860f5187d177bcd7545f252acb06c8a9fd6187f0f84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06430",
    "kind": "arxiv",
    "version": 1
  }
}