Pith Number

pith:QASPQZHT

pith:2019:QASPQZHTM7S4ADZSQGA3ZPXVMZ

not attested not anchored not stored refs pending

THOR 42: A touchstone $\sim$24 Myr-old eclipsing binary spanning the fully-convective boundary

Adina D. Feinstein, Cameron P. M. Bell, Christopher A. Onken, David Yong, Eric E. Mamajek, Gary S. Da Costa, George Zhou, Michael S. Bessell, Simon J. Murphy, Warrick A. Lawson

arxiv:1911.05925 v1 · 2019-11-14 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QASPQZHTM7S4ADZSQGA3ZPXVMZ}

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	2026-07-05T00:30:36.213370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8024f864f367e5c00f328181bcbef5664aa029425ea386f9444709363b4f354f

Aliases

arxiv: 1911.05925 · arxiv_version: 1911.05925v1 · doi: 10.48550/arxiv.1911.05925 · pith_short_12: QASPQZHTM7S4 · pith_short_16: QASPQZHTM7S4ADZS · pith_short_8: QASPQZHT

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/QASPQZHTM7S4ADZSQGA3ZPXVMZ \
  | 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: 8024f864f367e5c00f328181bcbef5664aa029425ea386f9444709363b4f354f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a70fb7ed8f32a4fc10e2c725f3db103176e75b53900d12901ca6d2a7b7f52af1",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-14T03:57:48Z",
    "title_canon_sha256": "d1be6993e50d1476101546c0f630d8d1f78663c31eb641aaf69bc76fb9a2da78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05925",
    "kind": "arxiv",
    "version": 1
  }
}