Pith Number

pith:LSLSUJ72

pith:2019:LSLSUJ72Q52IOB3SW3BHVXTHUZ

not attested not anchored not stored refs pending

Transition of BH feeding from the quiescent regime into star-forming cold disk regime

Jeremiah P. Ostriker, Kohei Ichikawa, Kohei Inayoshi, Rolf Kuiper

arxiv:1902.02349 v2 · 2019-02-06 · astro-ph.GA · 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{LSLSUJ72Q52IOB3SW3BHVXTHUZ}

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	2026-05-17T23:46:09.149744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c972a27fa8774870772b6c27ade67a642796a10d5a70a50d21dc6329cf48cc1

Aliases

arxiv: 1902.02349 · arxiv_version: 1902.02349v2 · doi: 10.48550/arxiv.1902.02349 · pith_short_12: LSLSUJ72Q52I · pith_short_16: LSLSUJ72Q52IOB3S · pith_short_8: LSLSUJ72

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/LSLSUJ72Q52IOB3SW3BHVXTHUZ \
  | 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: 5c972a27fa8774870772b6c27ade67a642796a10d5a70a50d21dc6329cf48cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58d617e210fb3a4649f8e641d0a300ad8f5285cd6f041eea2936e73850c70de8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-06T19:00:01Z",
    "title_canon_sha256": "83f5228134c6d262115a8b55fabe317c4464c59c84372dc22dd846ee0fcdf3ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02349",
    "kind": "arxiv",
    "version": 2
  }
}