Pith Number

pith:QTETLVUK

pith:2020:QTETLVUK2SC5CH5TWZYII2CEQ3

not attested not anchored not stored refs pending

Universal transition diagram from dormant to actively accreting supermassive black holes

Kohei Ichikawa, Kohei Inayoshi, Luis C. Ho

arxiv:2001.11032 v2 · 2020-01-29 · 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{QTETLVUK2SC5CH5TWZYII2CEQ3}

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.

Cited by

1 paper in Pith

A Jet from a Nearly Dormant Black Hole

Receipt and verification

First computed	2026-07-05T01:05:42.481043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c935d68ad485d11fb3b67084684486d9add07c39e3baca5a9323896585d73c

Aliases

arxiv: 2001.11032 · arxiv_version: 2001.11032v2 · doi: 10.48550/arxiv.2001.11032 · pith_short_12: QTETLVUK2SC5 · pith_short_16: QTETLVUK2SC5CH5T · pith_short_8: QTETLVUK

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/QTETLVUK2SC5CH5TWZYII2CEQ3 \
  | 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: 84c935d68ad485d11fb3b67084684486d9add07c39e3baca5a9323896585d73c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "399a9aa23c55fa4ad1635977c5a5ae09b62d415b1ed7752a709ef59d0564ffe7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-29T19:00:02Z",
    "title_canon_sha256": "d85e4f3a76b52ab91b62d9da719fdebcdea33d9df75b7a3c0f193eb2afce24ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11032",
    "kind": "arxiv",
    "version": 2
  }
}