Pith Number

pith:H6M3BOGL

pith:2021:H6M3BOGLNN7YVG4N5LBCDYZXPL

not attested not anchored not stored refs pending

Studies of RR Lyrae Variables in Binary Systems. I.: Evidence of a Trimodal Companion Mass Distribution

Andrzej Udalski, Bogumi{\l} Pilecki, Gergely Hajdu, Grzegorz Pietrzy\'nski, Ian B. Thompson, Igor Soszy\'nski, Johanna Jurcsik, M\'arcio Catelan, Paulina Karczmarek

arxiv:2105.03750 v2 · 2021-05-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6M3BOGLNN7YVG4N5LBCDYZXPL}

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	2026-07-05T02:57:20.485935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f99b0b8cb6b7f8a9b8deac221e3377adaa7f4cc4e9e9e61662c8935400e4103

Aliases

arxiv: 2105.03750 · arxiv_version: 2105.03750v2 · doi: 10.48550/arxiv.2105.03750 · pith_short_12: H6M3BOGLNN7Y · pith_short_16: H6M3BOGLNN7YVG4N · pith_short_8: H6M3BOGL

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/H6M3BOGLNN7YVG4N5LBCDYZXPL \
  | 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: 3f99b0b8cb6b7f8a9b8deac221e3377adaa7f4cc4e9e9e61662c8935400e4103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf237f08ded9580a41884ea0b2d15d906b598c01b09bbdbf40136f64a483ad04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-08T17:48:43Z",
    "title_canon_sha256": "27efb87b11499b2b51f04ac1b8d448ba3f66ae3794e11ac653f381da014f1ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03750",
    "kind": "arxiv",
    "version": 2
  }
}