Pith Number

pith:WHP3HTSZ

pith:2016:WHP3HTSZX66CQK7M6SZ6WB737N

not attested not anchored not stored refs pending

Data-driven, interpretable photometric redshifts trained on heterogeneous and unrepresentative data

Boris Leistedt, David W. Hogg

arxiv:1612.00847 v1 · 2016-12-02 · 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{WHP3HTSZX66CQK7M6SZ6WB737N}

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	2026-05-18T00:47:49.146766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1dfb3ce59bfbc282becf4b3eb07fbfb4e8a8c94ee21c24eb4100958f7246262

Aliases

arxiv: 1612.00847 · arxiv_version: 1612.00847v1 · doi: 10.48550/arxiv.1612.00847 · pith_short_12: WHP3HTSZX66C · pith_short_16: WHP3HTSZX66CQK7M · pith_short_8: WHP3HTSZ

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/WHP3HTSZX66CQK7M6SZ6WB737N \
  | 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: b1dfb3ce59bfbc282becf4b3eb07fbfb4e8a8c94ee21c24eb4100958f7246262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5676178d7e3c4f88c17d1374c99f9221ea71cdf2044c08bfb05bf2e29dcf63f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-02T21:00:00Z",
    "title_canon_sha256": "13a2bf61c24adf887788b2d75b9ba008bd2f9a6e565d0deed322f92a55400315"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00847",
    "kind": "arxiv",
    "version": 1
  }
}