Pith Number

pith:Q6MYWCWU

pith:2019:Q6MYWCWUYHQ3TFCPXLKG5KWFFP

not attested not anchored not stored refs pending

Identifying Galaxy Mergers in Observations and Simulations with Deep Learning

C. E. Petrillo, F. F. S. van der Tak, J. W. Trayford, L. Wang, W. J. Pearson

arxiv:1902.10626 v3 · 2019-02-27 · 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{Q6MYWCWUYHQ3TFCPXLKG5KWFFP}

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	2026-05-17T23:43:36.833175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87998b0ad4c1e1b9944fbad46eaac52be93b4b4f6ffad947c40d01aaa6d59071

Aliases

arxiv: 1902.10626 · arxiv_version: 1902.10626v3 · doi: 10.48550/arxiv.1902.10626 · pith_short_12: Q6MYWCWUYHQ3 · pith_short_16: Q6MYWCWUYHQ3TFCP · pith_short_8: Q6MYWCWU

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/Q6MYWCWUYHQ3TFCPXLKG5KWFFP \
  | 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: 87998b0ad4c1e1b9944fbad46eaac52be93b4b4f6ffad947c40d01aaa6d59071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c94b1d560efe49ea647f2590d132b5c2383a970b28e7ef4223c89cf91709a94a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-27T16:36:29Z",
    "title_canon_sha256": "f2e49310e4f3b31ee2171839e3837398abf591be912f3d47d0989d3762c993f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10626",
    "kind": "arxiv",
    "version": 3
  }
}