Pith Number

pith:VENTM3O2

pith:2021:VENTM3O2CALHCCIJ62ETDY462W

not attested not anchored not stored refs pending

Critical Stellar Central Densities Drive Galaxy Quenching in the Nearby Universe

Bingxiao Xu, Yingjie Peng

arxiv:2112.08489 v2 · 2021-12-15 · 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{VENTM3O2CALHCCIJ62ETDY462W}

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	2026-07-05T03:45:57.517330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a91b366dda1016710909f68931e39ed5abca579855738c38ad36b6f571c64ad8

Aliases

arxiv: 2112.08489 · arxiv_version: 2112.08489v2 · doi: 10.48550/arxiv.2112.08489 · pith_short_12: VENTM3O2CALH · pith_short_16: VENTM3O2CALHCCIJ · pith_short_8: VENTM3O2

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/VENTM3O2CALHCCIJ62ETDY462W \
  | 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: a91b366dda1016710909f68931e39ed5abca579855738c38ad36b6f571c64ad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99182c38e7f86fc7c4dad40a19009b9e36332552241696a22e79be3f4012cdde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-15T21:29:39Z",
    "title_canon_sha256": "b21724a64b97ad32e062496e0c9518c7723ee8f77a06a6bf5e3ac15fa11fd9a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08489",
    "kind": "arxiv",
    "version": 2
  }
}