Pith Number

pith:OEVILM4B

pith:2017:OEVILM4BNWY7ZFZDIX3OENXGSP

not attested not anchored not stored refs pending

Quasar Photometric Redshifts and Candidate Selection: A New Algorithm Based on Optical and Mid-Infrared Photometric Data

Feige Wang, Ian McGreer, Jan-Torge Schindler, Jinyi Yang, Linhua Jiang, Qian Yang, Richard Green, Wenwen Zuo, Xiaohui Fan, Xue-Bing Wu, Yuming Fu

arxiv:1710.09155 v1 · 2017-10-25 · astro-ph.GA · 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{OEVILM4BNWY7ZFZDIX3OENXGSP}

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	2026-05-18T00:28:13.077340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

712a85b3816db1fc972345f6e236e693fc9030b7791646ce9dca4301986b44c7

Aliases

arxiv: 1710.09155 · arxiv_version: 1710.09155v1 · doi: 10.48550/arxiv.1710.09155 · pith_short_12: OEVILM4BNWY7 · pith_short_16: OEVILM4BNWY7ZFZD · pith_short_8: OEVILM4B

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/OEVILM4BNWY7ZFZDIX3OENXGSP \
  | 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: 712a85b3816db1fc972345f6e236e693fc9030b7791646ce9dca4301986b44c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f3f7ddaafc90d9e036eb48aa0bbb49e2a46cd12415819ab9c459d072ec67625",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-25T10:29:26Z",
    "title_canon_sha256": "027dd1705cbd73a8cefc37aa4fb764c0a270dd8cabbf6e2dde3e564980a2fb33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09155",
    "kind": "arxiv",
    "version": 1
  }
}