Pith Number

pith:PMQT4CKB

pith:2017:PMQT4CKBQD6DVERIU7M3QOBNPY

not attested not anchored not stored refs pending

The TRAPPIST-1 system: Orbital evolution, tidal dissipation, formation and habitability

Caroline Terquem, Ewa Szuszkiewicz, John C. B. Papaloizou

arxiv:1711.07932 v1 · 2017-11-21 · 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{PMQT4CKBQD6DVERIU7M3QOBNPY}

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	2026-05-18T00:17:42.201014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b213e094180fc3a9228a7d9b8382d7e33fe65b279b5b936ab493055e476aad6

Aliases

arxiv: 1711.07932 · arxiv_version: 1711.07932v1 · doi: 10.48550/arxiv.1711.07932 · pith_short_12: PMQT4CKBQD6D · pith_short_16: PMQT4CKBQD6DVERI · pith_short_8: PMQT4CKB

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/PMQT4CKBQD6DVERIU7M3QOBNPY \
  | 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: 7b213e094180fc3a9228a7d9b8382d7e33fe65b279b5b936ab493055e476aad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a088b8e38b01a8fc9914bc4204b3d7e9ae2b82932783cf57fe89c3b6dfeb9bb3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-21T17:39:35Z",
    "title_canon_sha256": "9dcde1d1a9a8e444bbf5be0171793cff29e99d61eee55a6ec9f78ac6a94d27dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07932",
    "kind": "arxiv",
    "version": 1
  }
}