Pith Number

pith:UHDZCFWT

pith:2021:UHDZCFWTZOYQXBGHHZMYVKJ4WK

not attested not anchored not stored refs pending

Clean catalogues of blue horizontal-branch stars using Gaia EDR3

Ingrid Pelisoli, Richard Culpan, Stephan Geier

arxiv:2108.05172 v1 · 2021-08-11 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHDZCFWTZOYQXBGHHZMYVKJ4WK}

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	2026-07-05T03:23:46.905169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c79116d3cbb10b84c73e598aa93cb29a08452a2b25c3b7be4974b8604ee393

Aliases

arxiv: 2108.05172 · arxiv_version: 2108.05172v1 · doi: 10.48550/arxiv.2108.05172 · pith_short_12: UHDZCFWTZOYQ · pith_short_16: UHDZCFWTZOYQXBGH · pith_short_8: UHDZCFWT

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/UHDZCFWTZOYQXBGHHZMYVKJ4WK \
  | 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: a1c79116d3cbb10b84c73e598aa93cb29a08452a2b25c3b7be4974b8604ee393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de58daf61dc3f3557860736d9ac721a35f04f676bc5c58ac1f9ef30560c9346f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-11T12:00:21Z",
    "title_canon_sha256": "41f5b254b793cfd39bb0540cd784bc4c0e2b8496b525bbf65c94746ed2d013d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05172",
    "kind": "arxiv",
    "version": 1
  }
}