Pith Number

pith:3HZJ65PD

pith:2018:3HZJ65PD54UEACGS2LQZGRBSQU

not attested not anchored not stored refs pending

The simultaneous formation of cored, tangentially biased, and kinematically decoupled centers in massive early-type galaxies

Antti Rantala, Jens Thomas, Matteo Frigo, Peter H. Johansson, Thorsten Naab

arxiv:1812.02732 v2 · 2018-12-06 · 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{3HZJ65PD54UEACGS2LQZGRBSQU}

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	2026-05-17T23:53:57.238259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9f29f75e3ef284008d2d2e19344328529deeec8d0f6a0e4e29f6ca92dfa7e15

Aliases

arxiv: 1812.02732 · arxiv_version: 1812.02732v2 · doi: 10.48550/arxiv.1812.02732 · pith_short_12: 3HZJ65PD54UE · pith_short_16: 3HZJ65PD54UEACGS · pith_short_8: 3HZJ65PD

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/3HZJ65PD54UEACGS2LQZGRBSQU \
  | 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: d9f29f75e3ef284008d2d2e19344328529deeec8d0f6a0e4e29f6ca92dfa7e15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cfeec38544b6a9dd5e11c22f9af1b2cf05fd22b7c7d7a3b2e09c2f1df5d0071",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-06T18:59:59Z",
    "title_canon_sha256": "f565982bdfe890901dba3703c8b1e9299b2e3019e109a0234fa8043ab847d3b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02732",
    "kind": "arxiv",
    "version": 2
  }
}