Pith Number

pith:B2A3QOG5

pith:2019:B2A3QOG5TY6DKQ5XWSIK7KDIA7

not attested not anchored not stored refs pending

Morphology-assisted galaxy mass-to-light predictions using deep learning

Gert De Geyter, Maarten Baes, Samir Salim, S\'ebastien Viaene, Serge Krier, Stephan Pirson, Wouter Dobbels

arxiv:1903.05091 v1 · 2019-03-12 · 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{B2A3QOG5TY6DKQ5XWSIK7KDIA7}

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	2026-05-17T23:47:57.716485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e81b838dd9e3c3543b7b490afa86807c07feaee2f83592950d3cc3fbdc1a5e0

Aliases

arxiv: 1903.05091 · arxiv_version: 1903.05091v1 · doi: 10.48550/arxiv.1903.05091 · pith_short_12: B2A3QOG5TY6D · pith_short_16: B2A3QOG5TY6DKQ5X · pith_short_8: B2A3QOG5

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/B2A3QOG5TY6DKQ5XWSIK7KDIA7 \
  | 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: 0e81b838dd9e3c3543b7b490afa86807c07feaee2f83592950d3cc3fbdc1a5e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d3a5faf4b9290bba07c7f78d6705d3d3c7732e79a917de6976e74b1f320f62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-12T18:00:01Z",
    "title_canon_sha256": "b05ea8c904be9a35ef23a8822213c3dc04f9164446ff4be0eb520fc6df9dc5ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05091",
    "kind": "arxiv",
    "version": 1
  }
}