Pith Number

pith:U32DL2BL

pith:2021:U32DL2BLVUXM6NJP57QW4DYJSS

not attested not anchored not stored refs pending

The Relation between Morphological Asymmetry and Nuclear Activity in Low-redshift Galaxies

Jinyi Shangguan, Luis C. Ho, Ming-Yang Zhuang, Yang A. Li, Yulin Zhao

arxiv:2111.03558 v1 · 2021-11-05 · 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{U32DL2BLVUXM6NJP57QW4DYJSS}

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	2026-07-05T03:53:10.320806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de

Aliases

arxiv: 2111.03558 · arxiv_version: 2111.03558v1 · doi: 10.48550/arxiv.2111.03558 · pith_short_12: U32DL2BLVUXM · pith_short_16: U32DL2BLVUXM6NJP · pith_short_8: U32DL2BL

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/U32DL2BLVUXM6NJP57QW4DYJSS \
  | 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: a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f4a35fa4dd0b52028af01b7a713e218d1a204b40ec4643443a4a4962fef31bf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-05T15:25:02Z",
    "title_canon_sha256": "ae86746bb25611bc02fcbd9da70c53df233e84530d485479440951f133c7004a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03558",
    "kind": "arxiv",
    "version": 1
  }
}