Pith Number

pith:IOGM4EUQ

pith:2018:IOGM4EUQNETL5ZBGBBPFKOJSM3

not attested not anchored not stored refs pending

Hierarchical modeling and statistical calibration for photometric redshifts

Boris Leistedt, David W. Hogg, Joe DeRose, Risa H. Wechsler

arxiv:1807.01391 v1 · 2018-07-03 · 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{IOGM4EUQNETL5ZBGBBPFKOJSM3}

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	2026-07-04T23:58:23.351049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438cce12906926bee426085e55393266c437217b69c17e06cab72afe78fc751a

Aliases

arxiv: 1807.01391 · arxiv_version: 1807.01391v1 · doi: 10.48550/arxiv.1807.01391 · pith_short_12: IOGM4EUQNETL · pith_short_16: IOGM4EUQNETL5ZBG · pith_short_8: IOGM4EUQ

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/IOGM4EUQNETL5ZBGBBPFKOJSM3 \
  | 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: 438cce12906926bee426085e55393266c437217b69c17e06cab72afe78fc751a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81bb5a0f8ad2a316cd86b9de6286a7bd3550d1a053ca7e4ca80df0bdfe070ff3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-03T23:07:05Z",
    "title_canon_sha256": "bb2474b22e26d76030be09a3b7dbb13d4349df5acda11622f9cba7ace6e5a538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01391",
    "kind": "arxiv",
    "version": 1
  }
}