Pith Number

pith:ET5IZ4QS

pith:2013:ET5IZ4QSF2KN7VIHBR2SKFM75H

not attested not anchored not stored refs pending

Supermassive Black Holes and Nuclear Star Clusters: Connection with the Host Galaxy Kinematics and Color

A.M. Cherepashchuk (Lomonosov Moscow State University, A.V. Zasov, Moscow, Russia), Sternberg Astronomical Institute

arxiv:1312.4255 v1 · 2013-12-16 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ET5IZ4QSF2KN7VIHBR2SKFM75H}

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	2026-05-18T00:53:35.277246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24fa8cf2122e94dfd5070c7525159fe9f621a22cce4191dd25ff251bdfc546d9

Aliases

arxiv: 1312.4255 · arxiv_version: 1312.4255v1 · doi: 10.48550/arxiv.1312.4255 · pith_short_12: ET5IZ4QSF2KN · pith_short_16: ET5IZ4QSF2KN7VIH · pith_short_8: ET5IZ4QS

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/ET5IZ4QSF2KN7VIHBR2SKFM75H \
  | 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: 24fa8cf2122e94dfd5070c7525159fe9f621a22cce4191dd25ff251bdfc546d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde0c97b8b92b6d8a6dcda51f064dd760e69f28e02b30cc4f92f76d6d5f008b5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-16T06:28:51Z",
    "title_canon_sha256": "e92332f402d082af536f190fa104145487d0860e877f76d604be978986580b84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4255",
    "kind": "arxiv",
    "version": 1
  }
}