Pith Number

pith:WWWKDJ5Y

pith:2020:WWWKDJ5YIHZ2IUYCKZVPI2CENL

not attested not anchored not stored refs pending

Catalogue of new Herbig Ae/Be and classical Be stars. A machine learning approach to Gaia DR2

D. Baines, I. Mendigut\'ia, M. Schreiner, M. Vioque, N. Mowlavi, R. D. Oudmaijer, R. P\'erez-Mart\'inez

arxiv:2005.01727 v1 · 2020-05-04 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWWKDJ5YIHZ2IUYCKZVPI2CENL}

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	2026-07-05T01:15:18.672506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5aca1a7b841f3a45302566af468446af19cd34748108f26d732e3d3880cce40

Aliases

arxiv: 2005.01727 · arxiv_version: 2005.01727v1 · doi: 10.48550/arxiv.2005.01727 · pith_short_12: WWWKDJ5YIHZ2 · pith_short_16: WWWKDJ5YIHZ2IUYC · pith_short_8: WWWKDJ5Y

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/WWWKDJ5YIHZ2IUYCKZVPI2CENL \
  | 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: b5aca1a7b841f3a45302566af468446af19cd34748108f26d732e3d3880cce40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6912007a9a1ccd1eef1c26452ed1ac30fbe1f404515ef7c5e8da00a5e6254268",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-04T18:00:02Z",
    "title_canon_sha256": "0bf7574ac764c8181212d27fdb89e524541c7679877086c36f8f5dc178cd9061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.01727",
    "kind": "arxiv",
    "version": 1
  }
}