Pith Number

pith:UPS5HU2Z

pith:2016:UPS5HU2ZJW265P2PZTSIFWNEUC

not attested not anchored not stored refs pending

SDSS-IV MaNGA: environmental dependence of stellar age and metallicity gradients in nearby galaxies

Alexandre Roman Lopes, Cheng Li, Daniel Goddard, Daniel Thomas, David R. Law, Dmitry Bizyaev, Hongyu Li, Houjun Mo, Huiyuan Wang, Joel R. Brownstein, Junqiang Ge, Kai Zhang, Karen Masters, Kevin Bundy, Lihwai Lin, Niv Drory, Olena Malanushenko, Preethi Nair, Ran Li, R. J. Long, Rogerio Riffel, Shude Mao, Zheng Zheng

arxiv:1612.01523 v1 · 2016-12-05 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPS5HU2ZJW265P2PZTSIFWNEUC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:55:48.209199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e5d3d3594db5eebf4fcce482d9a4a09f8b0113c39e6722894fdae019172635

Aliases

arxiv: 1612.01523 · arxiv_version: 1612.01523v1 · doi: 10.48550/arxiv.1612.01523 · pith_short_12: UPS5HU2ZJW26 · pith_short_16: UPS5HU2ZJW265P2P · pith_short_8: UPS5HU2Z

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/UPS5HU2ZJW265P2PZTSIFWNEUC \
  | 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: a3e5d3d3594db5eebf4fcce482d9a4a09f8b0113c39e6722894fdae019172635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e8bc096845f2ec8f9c5e7525b19539a7fc41f361fd76089b743606c28af2fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-05T21:00:00Z",
    "title_canon_sha256": "20df7e47f571823c3e2c9a0dabfd8dbe4612f9329e0b2d60b94bd27193ab099c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01523",
    "kind": "arxiv",
    "version": 1
  }
}