Pith Number

pith:IAWPGPYH

pith:2022:IAWPGPYH6OYBQKEULPV63B4UP5

not attested not anchored not stored refs pending

Estimating Galaxy Redshift in Radio-Selected Datasets using Machine Learning

Kieran J. Luken, Laurence A. F. Park, Miroslav D. Filipovic, Ray P. Norris, X. Rosalind Wang

arxiv:2202.13504 v1 · 2022-02-28 · 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{IAWPGPYH6OYBQKEULPV63B4UP5}

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	2026-07-05T04:00:30.449497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

402cf33f07f3b01828945bebed87947f625dec15404a3ed2de2c585a60b58d55

Aliases

arxiv: 2202.13504 · arxiv_version: 2202.13504v1 · doi: 10.48550/arxiv.2202.13504 · pith_short_12: IAWPGPYH6OYB · pith_short_16: IAWPGPYH6OYBQKEU · pith_short_8: IAWPGPYH

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/IAWPGPYH6OYBQKEULPV63B4UP5 \
  | 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: 402cf33f07f3b01828945bebed87947f625dec15404a3ed2de2c585a60b58d55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a866817aa080d33055b50117b105327edf216281d0b760b1bc13669e527460",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-02-28T01:57:21Z",
    "title_canon_sha256": "2aa7d300f5244b09b2ed3e32d85559e00abe74d882d910b7e4d703f7565226bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13504",
    "kind": "arxiv",
    "version": 1
  }
}