Pith Number

pith:SDOU26RO

pith:2018:SDOU26ROB2MFYXSBDIXGKIXKAF

not attested not anchored not stored refs pending

SDSS-IV MaNGA: Global stellar population and gradients for about 2000 early-type and spiral galaxies on the mass-size plane

Alexandre Roman Lopes, Cheng Li, Daniel Thomas, David R. Law, H.J. Mo, Hongyu Li, Joel R. Brownstein, Junqiang Ge, Kevin Bundy, Michele Cappellari, Niv Drory, Ran Li, R. J. Long, Shude Mao, Zheng Zheng

arxiv:1802.01819 v1 · 2018-02-06 · 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{SDOU26ROB2MFYXSBDIXGKIXKAF}

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	2026-05-18T00:22:22.645220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90dd4d7a2e0e985c5e411a2e6522ea016862bf78c40ed77201b61bfe3676bc55

Aliases

arxiv: 1802.01819 · arxiv_version: 1802.01819v1 · doi: 10.48550/arxiv.1802.01819 · pith_short_12: SDOU26ROB2MF · pith_short_16: SDOU26ROB2MFYXSB · pith_short_8: SDOU26RO

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/SDOU26ROB2MFYXSBDIXGKIXKAF \
  | 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: 90dd4d7a2e0e985c5e411a2e6522ea016862bf78c40ed77201b61bfe3676bc55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e6a79359b3529878f30b8564b7888342fa1f3f2af55c51ce741022d39751dc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-06T06:50:50Z",
    "title_canon_sha256": "ac7ffa337933cae8ba113bfc672fedd6525a0fcb9090b01154cfc8ea665bbec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01819",
    "kind": "arxiv",
    "version": 1
  }
}