Pith Number

pith:423T56EY

pith:2017:423T56EYXPDAPXWRKQGKNNZJU3

not attested not anchored not stored refs pending

The quest for stable circumbinary companions to post-common envelope sdB eclipsing binaries Does the observational evidence support their existence?

A. Watkins, D. Pulley, D. Smith, G. Faillace, S. von Harrach

arxiv:1711.03749 v2 · 2017-11-10 · 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{423T56EYXPDAPXWRKQGKNNZJU3}

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	2026-05-18T00:20:05.755555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6b73ef898bbc607ded1540ca6b729a6fd246c0878531e61810bf1a5199caa35

Aliases

arxiv: 1711.03749 · arxiv_version: 1711.03749v2 · doi: 10.48550/arxiv.1711.03749 · pith_short_12: 423T56EYXPDA · pith_short_16: 423T56EYXPDAPXWR · pith_short_8: 423T56EY

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/423T56EYXPDAPXWRKQGKNNZJU3 \
  | 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: e6b73ef898bbc607ded1540ca6b729a6fd246c0878531e61810bf1a5199caa35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efccacfc9295c23c9abf27d9639bad65a5ca3e11fc7ec10ee1843387cd244ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-10T09:57:02Z",
    "title_canon_sha256": "7cfe61901312e54d46c6ed240165a0ff6df2c99466ff6b76274e4e6debc946ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03749",
    "kind": "arxiv",
    "version": 2
  }
}