Pith Number

pith:WPNDZMMX

pith:2018:WPNDZMMXYINKVCHEUJ53XWYZF4

not attested not anchored not stored refs pending

Interior characterization in multiplanetary systems: TRAPPIST-1

Caroline Dorn, Klaus Mosegaard, Simon L Grimm, Yann Alibert

arxiv:1808.01803 v1 · 2018-08-06 · 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{WPNDZMMXYINKVCHEUJ53XWYZF4}

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	2026-05-18T00:03:45.855603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3da3cb197c21aaa88e4a27bbbdb192f2dc43234d6f2d62a8b1e1228fee98f6f

Aliases

arxiv: 1808.01803 · arxiv_version: 1808.01803v1 · doi: 10.48550/arxiv.1808.01803 · pith_short_12: WPNDZMMXYINK · pith_short_16: WPNDZMMXYINKVCHE · pith_short_8: WPNDZMMX

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/WPNDZMMXYINKVCHEUJ53XWYZF4 \
  | 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: b3da3cb197c21aaa88e4a27bbbdb192f2dc43234d6f2d62a8b1e1228fee98f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3d9cd6271ac26a789b33f9dae0c07980617bcfaa2ac5d5b9f36a8d1248da4aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-06T10:01:24Z",
    "title_canon_sha256": "e55475e0ec406ebeb0928c39f69c94585a9967c2e4b30ea9ca02968d39c439a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01803",
    "kind": "arxiv",
    "version": 1
  }
}