Pith Number

pith:GYBNVA5Z

pith:2018:GYBNVA5Z2J55OAHUKQ3KJ5K5GD

not attested not anchored not stored refs pending

A hybrid approach to machine learning annotation of large galaxy image databases

Evan Kuminski, Lior Shamir

arxiv:1810.11283 v1 · 2018-10-26 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYBNVA5Z2J55OAHUKQ3KJ5K5GD}

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	2026-05-18T00:02:14.612827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3602da83b9d27bd700f45436a4f55d30d725197d13420bc99b247afadbd54b4a

Aliases

arxiv: 1810.11283 · arxiv_version: 1810.11283v1 · doi: 10.48550/arxiv.1810.11283 · pith_short_12: GYBNVA5Z2J55 · pith_short_16: GYBNVA5Z2J55OAHU · pith_short_8: GYBNVA5Z

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/GYBNVA5Z2J55OAHUKQ3KJ5K5GD \
  | 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: 3602da83b9d27bd700f45436a4f55d30d725197d13420bc99b247afadbd54b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "659b6b261086426e1931b56c9fda489eeaa479c50b51879e09fc1927f92e4053",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-26T12:02:04Z",
    "title_canon_sha256": "c00ede064eb76df67d618848227a5a484bdcfe6870e8f07534dc22462e0f7040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11283",
    "kind": "arxiv",
    "version": 1
  }
}