Pith Number

pith:B26BP3BM

pith:2019:B26BP3BMLMGQHTRS4MYVV3KH65

not attested not anchored not stored refs pending

Evidence of a substellar companion to AB Dor C

A. M\'erand, E. Tognelli, I. Mart\'i-Vidal, J.B. Climent, J. C. Guirado, J.M. Marcaide, J.P. Berger, M. Wittkowski

arxiv:1911.04736 v1 · 2019-11-12 · 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{B26BP3BMLMGQHTRS4MYVV3KH65}

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	2026-07-05T00:30:35.887585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebc17ec2c5b0d03ce32e3315aed47f74e6eab47f3c7ec13ae71180ef224e1f3

Aliases

arxiv: 1911.04736 · arxiv_version: 1911.04736v1 · doi: 10.48550/arxiv.1911.04736 · pith_short_12: B26BP3BMLMGQ · pith_short_16: B26BP3BMLMGQHTRS · pith_short_8: B26BP3BM

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/B26BP3BMLMGQHTRS4MYVV3KH65 \
  | 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: 0ebc17ec2c5b0d03ce32e3315aed47f74e6eab47f3c7ec13ae71180ef224e1f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2db4aafb18d1c9d34a10209b2e357f1fb3277d0781e17d947e666ea91f2f46a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-11-12T08:39:49Z",
    "title_canon_sha256": "f3c42f2f9fa53cb5f3cc198ba6b40b14db06fb72514abc97b0c1677a31799b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04736",
    "kind": "arxiv",
    "version": 1
  }
}