Pith Number

pith:Z557L54S

pith:2020:Z557L54SBZEBG2K52KI4WSQXED

not attested not anchored not stored refs pending

Evidence for Galactic disc RR~Lyrae stars in the Solar neighbourhood

A. Kunder, E. K. Grebel, I. D\'ek\'any, Z. Prudil

arxiv:2001.02486 v3 · 2020-01-08 · 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{Z557L54SBZEBG2K52KI4WSQXED}

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	2026-07-05T00:56:01.856950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf7bf5f7920e4813695dd291cb4a1720fcef15b4b2fd6a9461d7b48010611a18

Aliases

arxiv: 2001.02486 · arxiv_version: 2001.02486v3 · doi: 10.48550/arxiv.2001.02486 · pith_short_12: Z557L54SBZEB · pith_short_16: Z557L54SBZEBG2K5 · pith_short_8: Z557L54S

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/Z557L54SBZEBG2K52KI4WSQXED \
  | 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: cf7bf5f7920e4813695dd291cb4a1720fcef15b4b2fd6a9461d7b48010611a18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cd2cb83afe800f8ef7c2d1e51aa8e193cc946ba32cee6f1c5dde1708b82e991",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-08T12:58:59Z",
    "title_canon_sha256": "2c04a451338c82beec95840cf7ce4e8aa88bacbdc7acacf66d10d96938c54b96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02486",
    "kind": "arxiv",
    "version": 3
  }
}