Pith Number

pith:6FLA7FTR

pith:2016:6FLA7FTRXIHOIMEOXSUBV3WLUZ

not attested not anchored not stored refs pending

Stacking for machine learning redshifts applied to SDSS galaxies

Ben Hoyle, Jochen Weller, Kerstin Paech, Markus Michael Rau, Roman Zitlau, Stella Seitz

arxiv:1602.06294 v2 · 2016-02-19 · astro-ph.IM · astro-ph.CO · 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{6FLA7FTRXIHOIMEOXSUBV3WLUZ}

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	2026-05-18T01:10:31.020565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1560f9671ba0ee4308ebca81aeecba64c4e7e589c8d7615038096a864ccc3da

Aliases

arxiv: 1602.06294 · arxiv_version: 1602.06294v2 · doi: 10.48550/arxiv.1602.06294 · pith_short_12: 6FLA7FTRXIHO · pith_short_16: 6FLA7FTRXIHOIMEO · pith_short_8: 6FLA7FTR

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/6FLA7FTRXIHOIMEOXSUBV3WLUZ \
  | 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: f1560f9671ba0ee4308ebca81aeecba64c4e7e589c8d7615038096a864ccc3da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b5565692d3967e4dde1d57dd45684080bbddd09298a70c44c0243f5549c2716",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-02-19T11:29:10Z",
    "title_canon_sha256": "abe3be1b73e375e1627286237f62cd4b9a0e3af7289c2e2509f010ff54e6a663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06294",
    "kind": "arxiv",
    "version": 2
  }
}