Pith Number

pith:WZI4BQHZ

pith:2019:WZI4BQHZIXVRJNOYBE3GAVRKKH

not attested not anchored not stored refs pending

The tidal parameters of TRAPPIST-1 b and c

A. C. Barr, R. Brasser, V. Dobos

arxiv:1905.00512 v1 · 2019-05-01 · 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{WZI4BQHZIXVRJNOYBE3GAVRKKH}

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	2026-05-17T23:46:11.669380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b651c0c0f945eb14b5d8093660562a51cf3f6ba4575e3d355a49583a7063e548

Aliases

arxiv: 1905.00512 · arxiv_version: 1905.00512v1 · doi: 10.48550/arxiv.1905.00512 · pith_short_12: WZI4BQHZIXVR · pith_short_16: WZI4BQHZIXVRJNOY · pith_short_8: WZI4BQHZ

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/WZI4BQHZIXVRJNOYBE3GAVRKKH \
  | 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: b651c0c0f945eb14b5d8093660562a51cf3f6ba4575e3d355a49583a7063e548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2525da9eee7ef100e8c269cdce462f39f6d82857315596ce3e01df1c873ed6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-01T21:53:29Z",
    "title_canon_sha256": "5eb301bc4fee3c300daa7cd4b31aacc80dca563a00f147a60be19deb8bc09ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00512",
    "kind": "arxiv",
    "version": 1
  }
}