Pith Number

pith:JIE43CMS

pith:2018:JIE43CMSO7GEW7XUWTRKD3YRP7

not attested not anchored not stored refs pending

The impact of black hole seeding in cosmological simulations

Chiaki Kobayashi, Christoph Federrath, Ella Xi Wang, Philip Taylor

arxiv:1812.08892 v1 · 2018-12-20 · 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{JIE43CMSO7GEW7XUWTRKD3YRP7}

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	2026-05-17T23:57:45.972338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a09cd899277cc4b7ef4b4e2a1ef117fcb005556b01f56c0e2231e7dbfeb6a0b

Aliases

arxiv: 1812.08892 · arxiv_version: 1812.08892v1 · doi: 10.48550/arxiv.1812.08892 · pith_short_12: JIE43CMSO7GE · pith_short_16: JIE43CMSO7GEW7XU · pith_short_8: JIE43CMS

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/JIE43CMSO7GEW7XUWTRKD3YRP7 \
  | 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: 4a09cd899277cc4b7ef4b4e2a1ef117fcb005556b01f56c0e2231e7dbfeb6a0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29bab8f17908dde92dac290b5733d7c9a7c65ff2ff39239163172d063396ad87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-20T23:44:31Z",
    "title_canon_sha256": "83fb5dfbfef2af17100b9e5bceb518f3f7114b77f5def883cb0311aec6fb7ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08892",
    "kind": "arxiv",
    "version": 1
  }
}