Pith Number

pith:6I4TVQ3M

pith:2025:6I4TVQ3M2IVEBCATKBW7ST4DLJ

not attested not anchored not stored refs pending

Toward early-type eclipsing binaries as extragalactic milestones: IV. Physical properties of three detached O/B-type systems in the LMC

B. Pilecki, B. Zgirski, D. Graczyk, G. Hajdu, G. Pietrzy\'nski, I. B. Thompson, J. Puls, M. A. Urbaneja, M. G\'orski, M\'onica Taormina, R.-P. Kudritzki, W. Gieren, W. Narloch

arxiv:2501.04080 v1 · 2025-01-07 · 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{6I4TVQ3M2IVEBCATKBW7ST4DLJ}

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	2026-07-05T09:58:29.477392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2393ac36cd22a408813506df94f835a7131e4cfb1fbd66cf1e9389e5d513e57

Aliases

arxiv: 2501.04080 · arxiv_version: 2501.04080v1 · doi: 10.48550/arxiv.2501.04080 · pith_short_12: 6I4TVQ3M2IVE · pith_short_16: 6I4TVQ3M2IVEBCAT · pith_short_8: 6I4TVQ3M

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/6I4TVQ3M2IVEBCATKBW7ST4DLJ \
  | 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: f2393ac36cd22a408813506df94f835a7131e4cfb1fbd66cf1e9389e5d513e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a4a1774ca1bad6e73892a4d51f706ad5ce371058f052393654bc9b607cb5902",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-01-07T19:00:01Z",
    "title_canon_sha256": "0623e417dfb2fe6925d63d8a3db13c79edb9dc41b855a9e3c4c216fbc59aaba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.04080",
    "kind": "arxiv",
    "version": 1
  }
}