Pith Number

pith:SZ4GOB6C

pith:2020:SZ4GOB6C7OED4BTMFWA4HYJRTT

not attested not anchored not stored refs pending

Obliquity Constraints on an Extrasolar Planetary-Mass Companion

Brendan P. Bowler, Caroline V. Morley, Dimitri Mawet, Eric Nielsen, Eugene Chiang, Heather A. Knutson, Henry Ngo, Katelyn B. Ashok, Marta L. Bryan, Sarah Blunt, Sarah Millholland

arxiv:2002.11131 v2 · 2020-02-25 · astro-ph.EP · astro-ph.IM · 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{SZ4GOB6C7OED4BTMFWA4HYJRTT}

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	2026-07-05T01:06:20.397932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96786707c2fb883e066c2d81c3e1319cd91ccdaf1c94a8b62d1133f14785ba6b

Aliases

arxiv: 2002.11131 · arxiv_version: 2002.11131v2 · doi: 10.48550/arxiv.2002.11131 · pith_short_12: SZ4GOB6C7OED · pith_short_16: SZ4GOB6C7OED4BTM · pith_short_8: SZ4GOB6C

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/SZ4GOB6C7OED4BTMFWA4HYJRTT \
  | 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: 96786707c2fb883e066c2d81c3e1319cd91ccdaf1c94a8b62d1133f14785ba6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7c72eec360862f612537c5de7bcdb9a2461f047fe4e80c0b3efbf52153525f3",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-02-25T19:00:04Z",
    "title_canon_sha256": "e29f005f14f10e57ebeedda0aeba47bbcd6a4d74ca25e0c43780032045016c70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11131",
    "kind": "arxiv",
    "version": 2
  }
}