Pith Number

pith:E3I6HIEG

pith:2026:E3I6HIEGSFSB6RTQY5C72GQFWO

not attested not anchored not stored refs pending

The Chandra-Gaia Catalog of Counterparts: Resolving ambiguous Gaia matches to X-ray sources in the Chandra Source Catalog using Machine Learning

Cecilia Garraffo, David Fouhey, Dong-Woo Kim, Jeremy J. Drake, Joshua D. Ingram, Juan Rafael Mart\'inez-Galarza, Pavlos Protopapas, Vinay L. Kashyap, V. Samuel P\'erez-D\'iaz

arxiv:2606.19329 v1 · 2026-06-17 · astro-ph.IM · 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{E3I6HIEGSFSB6RTQY5C72GQFWO}

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	2026-06-19T16:12:11.300595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d1e3a08691641f4670c745fd1a05b396f534f55741ec8513b2418c840305b2

Aliases

arxiv: 2606.19329 · arxiv_version: 2606.19329v1 · doi: 10.48550/arxiv.2606.19329 · pith_short_12: E3I6HIEGSFSB · pith_short_16: E3I6HIEGSFSB6RTQ · pith_short_8: E3I6HIEG

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/E3I6HIEGSFSB6RTQY5C72GQFWO \
  | 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: 26d1e3a08691641f4670c745fd1a05b396f534f55741ec8513b2418c840305b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1669de48ecc6aed7c3920e4ceadb284b03f0f064dc18be581f8e7ea49535e32d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-17T17:54:52Z",
    "title_canon_sha256": "32505d642aa683839fb0ef2375006047d383b2a8eb803ac076e5e1b69791bd39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19329",
    "kind": "arxiv",
    "version": 1
  }
}