Pith Number

pith:X7EIUFFV

pith:2018:X7EIUFFVI56DER3ZC6JQFXNUM7

not attested not anchored not stored refs pending

WEIRD: Wide-orbit Exoplanet search with InfraRed Direct imaging

Charles Beichman, David Lafreni\`ere, \'Etienne Artigau, Fr\'ed\'erique Baron, Jonathan Gagn\'e, Julien Rameau, Lison Malo, Lo\"ic Albert, Marie-Eve Naud, Markus Janson, Philippe Delorme, Ren\'e Doyon

arxiv:1807.08799 v1 · 2018-07-23 · astro-ph.EP · 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{X7EIUFFVI56DER3ZC6JQFXNUM7}

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	2026-05-18T00:06:37.355425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc88a14b5477c324779179302ddb467e95e5e9a18548ba05ff202332096554c

Aliases

arxiv: 1807.08799 · arxiv_version: 1807.08799v1 · doi: 10.48550/arxiv.1807.08799 · pith_short_12: X7EIUFFVI56D · pith_short_16: X7EIUFFVI56DER3Z · pith_short_8: X7EIUFFV

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/X7EIUFFVI56DER3ZC6JQFXNUM7 \
  | 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: bfc88a14b5477c324779179302ddb467e95e5e9a18548ba05ff202332096554c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b6ed68904e8d40c912fc8b87cb7f9f0d1af1259b485669a543cdb150016fbb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-07-23T19:33:46Z",
    "title_canon_sha256": "4e717f4f6161c6a49a677347482228fe50df70fce74e6be31a9d2f69d35d89bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08799",
    "kind": "arxiv",
    "version": 1
  }
}