Pith Number

pith:KVY2NJ5J

pith:2021:KVY2NJ5JRGLRK7RJCT752Q3PRV

not attested not anchored not stored refs pending

SDSS-IV MaNGA: Radial Gradients in Stellar Population Properties of Early-Type and Late-Type Galaxies

Brett H. Andrews, Claudia Maraston, Daniel Thomas, Grecco Oyarzun, Kyle B. Westfall, Nicholas Fraser Boardman, Niv Drory, Taniya Parikh

arxiv:2102.06703 v1 · 2021-02-12 · 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{KVY2NJ5JRGLRK7RJCT752Q3PRV}

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	2026-07-05T02:21:01.129103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5571a6a7a98997157e2914ffdd436f8d71aa776dddb086162bcd873d8d08e055

Aliases

arxiv: 2102.06703 · arxiv_version: 2102.06703v1 · doi: 10.48550/arxiv.2102.06703 · pith_short_12: KVY2NJ5JRGLR · pith_short_16: KVY2NJ5JRGLRK7RJ · pith_short_8: KVY2NJ5J

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/KVY2NJ5JRGLRK7RJCT752Q3PRV \
  | 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: 5571a6a7a98997157e2914ffdd436f8d71aa776dddb086162bcd873d8d08e055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ae883586ad0c310dbb3f78675d6d42e6244a1f97ec2eb6dfd22c68b7d31f5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-12T18:59:04Z",
    "title_canon_sha256": "219afb081ac9a0e44f88b1a0fceaa607d2a949b4bdfe6052bb26bbf0a023ea27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06703",
    "kind": "arxiv",
    "version": 1
  }
}