Pith Number

pith:NDHJENUL

pith:2021:NDHJENULD2YC6AF3LP2CPU7LDS

not attested not anchored not stored refs pending

The Formation of Intermediate Mass Black Holes in Galactic Nuclei

Itai Linial, Re'em Sari, Sanaea C. Rose, Smadar Naoz

arxiv:2201.00022 v2 · 2021-12-31 · astro-ph.GA · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDHJENULD2YC6AF3LP2CPU7LDS}

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	2026-07-05T04:37:56.935158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ce92368b1eb02f00bb5bf427d3eb1c92d9f7dd92bd5b0331c57085c467b133

Aliases

arxiv: 2201.00022 · arxiv_version: 2201.00022v2 · doi: 10.48550/arxiv.2201.00022 · pith_short_12: NDHJENULD2YC · pith_short_16: NDHJENULD2YC6AF3 · pith_short_8: NDHJENUL

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/NDHJENULD2YC6AF3LP2CPU7LDS \
  | 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: 68ce92368b1eb02f00bb5bf427d3eb1c92d9f7dd92bd5b0331c57085c467b133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "017339ac0b3b3b4d77dd90e321cd95fd1991bd72beeae36fa18e9db3b3c6e963",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-31T19:00:03Z",
    "title_canon_sha256": "6e7c1640712053c92cb9a9aedf9c8615364b473f4ffb7fdec4c6d8d56be80eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00022",
    "kind": "arxiv",
    "version": 2
  }
}