Pith Number

pith:K2QGLTIN

pith:2018:K2QGLTINOI3MDEPAFXHJMK2ISL

not attested not anchored not stored refs pending

SDSS-IV MaNGA: Modelling the metallicity gradients of gas and stars - radially dependent metal outflow vs IMF

Alexandre Roman-Lopes, Baitian Tang, Claudia Maraston, Daniel Goddard, Daniel Thomas, J. G. Fernandez-Trincado, Jianhui Lian, Renbin Yan, Taniya Parikh, Yu Rong

arxiv:1802.06793 v1 · 2018-02-19 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2QGLTINOI3MDEPAFXHJMK2ISL}

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	2026-05-18T00:21:05.857904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a065cd0d7236c191e02dce962b4892c3b6c342799917b482014b942a88db88

Aliases

arxiv: 1802.06793 · arxiv_version: 1802.06793v1 · doi: 10.48550/arxiv.1802.06793 · pith_short_12: K2QGLTINOI3M · pith_short_16: K2QGLTINOI3MDEPA · pith_short_8: K2QGLTIN

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/K2QGLTINOI3MDEPAFXHJMK2ISL \
  | 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: 56a065cd0d7236c191e02dce962b4892c3b6c342799917b482014b942a88db88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69d8bb96f50c61d3dda86e39c47aada7ba03142351cbb80d52722ebfa9ffc7e8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-19T19:00:01Z",
    "title_canon_sha256": "1181509664caa354f9d12d0768dcba01927631dd4b00c700050e8d6f02196997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06793",
    "kind": "arxiv",
    "version": 1
  }
}