Pith Number

pith:6PJWGSVL

pith:2026:6PJWGSVLUWPV7ACXKU47Z6RLF3

not attested not anchored not stored refs pending

A machine learning approach to estimating HI deficiency in galaxies

Boris Deshev, Filip Jan\'ak, Rhys Taylor, Roman Nagy

arxiv:2607.07441 v1 · 2026-07-08 · 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{6PJWGSVLUWPV7ACXKU47Z6RLF3}

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	2026-07-09T01:20:25.009895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d3634aaba59f5f80575539fcfa2b2ec046d1793c8e13432be75bfa40c047f1

Aliases

arxiv: 2607.07441 · arxiv_version: 2607.07441v1 · doi: 10.48550/arxiv.2607.07441 · pith_short_12: 6PJWGSVLUWPV · pith_short_16: 6PJWGSVLUWPV7ACX · pith_short_8: 6PJWGSVL

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/6PJWGSVLUWPV7ACXKU47Z6RLF3 \
  | 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: f3d3634aaba59f5f80575539fcfa2b2ec046d1793c8e13432be75bfa40c047f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21ed50760ab33f17dadb9c1674291e9571fcfb3fa646668c68fa2e1007cc8b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-08T14:12:42Z",
    "title_canon_sha256": "ea927d0439da17934b99863cb28db76b4ccedd11b1536cdb14f9cecf0f4c83f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07441",
    "kind": "arxiv",
    "version": 1
  }
}