Pith Number

pith:VCSZIPPZ

pith:2015:VCSZIPPZQRNXLU6LTO6YCW5HLK

not attested not anchored not stored refs pending

Anomaly detection for machine learning redshifts applied to SDSS galaxies

Ben Hoyle, Christopher Bonnett, Jochen Weller, Kerstin Paech, Markus Michael Rau, Stella Seitz

arxiv:1503.08214 v2 · 2015-03-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCSZIPPZQRNXLU6LTO6YCW5HLK}

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	2026-05-18T01:12:25.304069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a5943df9845b75d3cb9bbd815ba75a8253ac95834007d3e195437c37aad52a

Aliases

arxiv: 1503.08214 · arxiv_version: 1503.08214v2 · doi: 10.48550/arxiv.1503.08214 · pith_short_12: VCSZIPPZQRNX · pith_short_16: VCSZIPPZQRNXLU6L · pith_short_8: VCSZIPPZ

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/VCSZIPPZQRNXLU6LTO6YCW5HLK \
  | 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: a8a5943df9845b75d3cb9bbd815ba75a8253ac95834007d3e195437c37aad52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7d2cf4423aab9204596e4a209eb93387cfebee9da4eeb5736a24911309ad527",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-27T20:00:36Z",
    "title_canon_sha256": "476c316fc9aff37d655721e249acd39e10da31be24e82f4e722632de695c549d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08214",
    "kind": "arxiv",
    "version": 2
  }
}