Pith Number

pith:Y7TL3ACZ

pith:2018:Y7TL3ACZOTIRXMUKBGPI2YGDTU

not attested not anchored not stored refs pending

Magnetic Fields on the Flare Star Trappist-1: Consequences for Radius Inflation and Planetary Habitability

D. J. Mullan, H. Fausey, J. MacDonald, S. Dieterich

arxiv:1811.04149 v1 · 2018-11-09 · 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{Y7TL3ACZOTIRXMUKBGPI2YGDTU}

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	2026-05-17T23:57:37.520946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e6bd805974d11bb28a099e8d60c39d1c84ead43e9847a1a79bfe8384f5e204

Aliases

arxiv: 1811.04149 · arxiv_version: 1811.04149v1 · doi: 10.48550/arxiv.1811.04149 · pith_short_12: Y7TL3ACZOTIR · pith_short_16: Y7TL3ACZOTIRXMUK · pith_short_8: Y7TL3ACZ

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/Y7TL3ACZOTIRXMUKBGPI2YGDTU \
  | 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: c7e6bd805974d11bb28a099e8d60c39d1c84ead43e9847a1a79bfe8384f5e204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3edd9c69f01b5a2d297c0de40afda227835e00c8c6cd3cfb7d930b90703b2e31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-09T22:06:01Z",
    "title_canon_sha256": "ff2794f906538f55987e34a00f5c0b32c4c50fbb8bbcf0299d1ee6dbb048e2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04149",
    "kind": "arxiv",
    "version": 1
  }
}