Pith Number

pith:OBN4TYCG

pith:2023:OBN4TYCGJJF2AQ4WSUDLNHPHAC

not attested not anchored not stored refs pending

Resolved properties of classical bulge and pseudo-bulge galaxies

Guangquan Zeng, Jia Hu, Junqiang Ge, Kai Zhu, Lan Wang

arxiv:2312.02721 v2 · 2023-12-05 · 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{OBN4TYCGJJF2AQ4WSUDLNHPHAC}

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	2026-07-05T08:40:10.940880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705bc9e0464a4ba043969506b69de700b8c59c94368288f4e31d3154a486259e

Aliases

arxiv: 2312.02721 · arxiv_version: 2312.02721v2 · doi: 10.48550/arxiv.2312.02721 · pith_short_12: OBN4TYCGJJF2 · pith_short_16: OBN4TYCGJJF2AQ4W · pith_short_8: OBN4TYCG

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/OBN4TYCGJJF2AQ4WSUDLNHPHAC \
  | 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: 705bc9e0464a4ba043969506b69de700b8c59c94368288f4e31d3154a486259e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c33e2d492c2f137c92b0754b5f814d3fed19b87ec25ad88f34d90fe158716e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-12-05T12:34:55Z",
    "title_canon_sha256": "0627f5fe2fe4a8cb859cc4b364ddeb658ce675ec83d365b6ec8b82a6e467f065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.02721",
    "kind": "arxiv",
    "version": 2
  }
}