Pith Number

pith:IWNB6XHI

pith:2020:IWNB6XHI5CMUHMFNAR3NFGQXYE

not attested not anchored not stored refs pending

DeepMerge: Classifying High-redshift Merging Galaxies with Deep Neural Networks

A. \'Ciprijanovi\'c, B. Nord, G. F. Snyder, J. E. G. Peek

arxiv:2004.11981 v1 · 2020-04-24 · astro-ph.GA · astro-ph.IM · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWNB6XHI5CMUHMFNAR3NFGQXYE}

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	2026-07-05T00:58:25.243657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459a1f5ce8e89943b0ad0476d29a17c12274bf3e74ba397ab365cc0e58239fe6

Aliases

arxiv: 2004.11981 · arxiv_version: 2004.11981v1 · doi: 10.48550/arxiv.2004.11981 · pith_short_12: IWNB6XHI5CMU · pith_short_16: IWNB6XHI5CMUHMFN · pith_short_8: IWNB6XHI

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/IWNB6XHI5CMUHMFNAR3NFGQXYE \
  | 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: 459a1f5ce8e89943b0ad0476d29a17c12274bf3e74ba397ab365cc0e58239fe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa62aa7559880c68baca4ae3b4921b2982f545ab4d60aebd18f6c8f4519bfd6a",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-24T20:36:06Z",
    "title_canon_sha256": "c9f34bb25f2759ec217f5017e88610b96330d049eeff073bb7cafaa6436bf8d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11981",
    "kind": "arxiv",
    "version": 1
  }
}