Pith Number

pith:SZEQSNN3

pith:2022:SZEQSNN37LWGQQG5KTKVYDBMWI

not attested not anchored not stored refs pending

Red riding on hood: Exploring how galaxy colour depends on environment

Alexander D. Hill, B. W. Holwerda, Ivan. K. Baldry, J. Loveday, M. A. Lara-Lopez, Pankaj C. Bhambhani, Sarah Brough

arxiv:2210.16112 v2 · 2022-10-28 · 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{SZEQSNN37LWGQQG5KTKVYDBMWI}

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.

Cited by

1 paper in Pith

Mapping Nearby Galaxies with Apache Point Observatory: Group and field galaxies' morphologies in the colour-magnitude plane

Receipt and verification

First computed	2026-07-05T06:08:12.812369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96490935bbfaec6840dd54d55c0c2cb2037e223fb8a4c894b451a8639da33e1a

Aliases

arxiv: 2210.16112 · arxiv_version: 2210.16112v2 · doi: 10.48550/arxiv.2210.16112 · pith_short_12: SZEQSNN37LWG · pith_short_16: SZEQSNN37LWGQQG5 · pith_short_8: SZEQSNN3

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/SZEQSNN37LWGQQG5KTKVYDBMWI \
  | 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: 96490935bbfaec6840dd54d55c0c2cb2037e223fb8a4c894b451a8639da33e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f80839879f09c2f55cba86cd323263ed12a28db6fd3cd13e63b3282f90d763bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-10-28T13:17:01Z",
    "title_canon_sha256": "2ce068d676e0b9c03dea8e3274bcfb337c7fb0a5a88dbe8df0a0a9e6552f81e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.16112",
    "kind": "arxiv",
    "version": 2
  }
}