Pith Number

pith:QEZ5ZFS5

pith:2026:QEZ5ZFS5PD6EG6NA6XOBX6SSHK

not attested not anchored not stored refs pending

Hyrax: An Extensible Framework for Rapid ML Experimentation and Unsupervised Discovery in the Era of Rubin, Roman, and Euclid

Alexandra Junell, Andrew J. Connolly, Argyro Sasli, Aritra Ghosh, Colin Orion Chandler, Dan S. Taranu, Derek Jones, Diego Miura, Doug Branton, Drew Oldag, Dylan Berry, Felipe Fontinele Nunes, Gourav Khullar, Gracia Wang, Imad Pasha, Jeremy Kubica, Konstantin Malanchev, Liam Cunningham, Maxine West, Melissa DeLucchi, Michael Tauraso, Michael W. Coughlin, Mi Dai, Neven Caplar, Peter Ferguson, Rachel Mandelbaum, Samarth Venkatesh, Sandro Campos, Sean McGuire, Tanawan Chatchadanoraset, Tianqing Zhang, Wilson Beebe

arxiv:2605.18959 v1 · 2026-05-18 · astro-ph.IM · astro-ph.CO · astro-ph.EP · astro-ph.GA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEZ5ZFS5PD6EG6NA6XOBX6SSHK}

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	2026-05-20T00:06:38.958900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8133dc965d78fc4379a0f5dc1bfa523aaaec1fea30d6dc873e8d38609e4501f5

Aliases

arxiv: 2605.18959 · arxiv_version: 2605.18959v1 · doi: 10.48550/arxiv.2605.18959 · pith_short_12: QEZ5ZFS5PD6E · pith_short_16: QEZ5ZFS5PD6EG6NA · pith_short_8: QEZ5ZFS5

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/QEZ5ZFS5PD6EG6NA6XOBX6SSHK \
  | 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: 8133dc965d78fc4379a0f5dc1bfa523aaaec1fea30d6dc873e8d38609e4501f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e30213f64e69c9ecf158e0036256501ed686ec7b77ed22f9df9882e36974f0cf",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP",
      "astro-ph.GA",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-05-18T18:00:06Z",
    "title_canon_sha256": "44ce5277311bd7b2e0b5ecc5dfdc3d87ca80974a81a6b4a09c798d612ffc39ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18959",
    "kind": "arxiv",
    "version": 1
  }
}