Pith Number

pith:657DJ6TW

pith:2016:657DJ6TW2VE7AV6YZKN6735AVI

not attested not anchored not stored refs pending

SDSS-IV MaNGA: stellar population gradients as a function of galaxy environment

Alexandre Roman-Lopes (Universidad de La Serena), Anne-Marie Weijmans (St Andrews), Christian Nitschelm (Antofagasta), Claudia Maraston (ICG Portsmouth), Daniel Goddard (ICG Portsmouth), Daniel Thomas (ICG Portsmouth), David R. Law (Space Telescope), David Wake (Open University), Dmitry Bizyaev (Apache Point Observatory), James Etherington (ICG Portsmouth), Joel R. Brownstein (Utah), Kaike Pan (Apache Point Observatory), Karen L. Masters (ICG Portsmouth), Kevin Bundy (UC Santa Cruz), Kyle Westfall (UC Santa Cruz), Maria Argudo-Fernandez (Antofagasta), Matthew A. Bershady (Wisconsin-Madison), Michael R. Merrifield (Nottingham), Nicolas D. Mallmann (Universidade Federal do Rio Grande do Sul), Niv Drory (University of Texas at Austin), Renbin Yan (Kentucky), Richard R. Lane (Pontificia Universidad Cat\'olica de Chile), Roberto Maiolino (Cambridge), Rogerio Riffel (Universidade Federal do Rio Grande do Sul), Thaisa Storchi-Bergmann (Universidade Federal do Rio Grande do Sul), Zheng Zheng (NAOC)

arxiv:1612.01545 v1 · 2016-12-05 · 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{657DJ6TW2VE7AV6YZKN6735AVI}

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	2026-05-18T00:55:06.314675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f77e34fa76d549f057d8ca9befefa0aa03afcbcc95eac6a7697119d6657a7f7d

Aliases

arxiv: 1612.01545 · arxiv_version: 1612.01545v1 · doi: 10.48550/arxiv.1612.01545 · pith_short_12: 657DJ6TW2VE7 · pith_short_16: 657DJ6TW2VE7AV6Y · pith_short_8: 657DJ6TW

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/657DJ6TW2VE7AV6YZKN6735AVI \
  | 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: f77e34fa76d549f057d8ca9befefa0aa03afcbcc95eac6a7697119d6657a7f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7980612ce34aa4a3a5837bf20e544c9ac95439dffbdb8892c510936ce59f2364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-05T21:04:45Z",
    "title_canon_sha256": "45cedcf62cc00acf35e76c35499cac0a358a6989f5ae9d25c37c4910b411a195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01545",
    "kind": "arxiv",
    "version": 1
  }
}