Pith Number

pith:CRC6VUL2

pith:2018:CRC6VUL2CJ5IY2CEO6QINJIKOV

not attested not anchored not stored refs pending

Possible Bright Starspots on TRAPPIST-1

Brett M. Morris, Eric Agol, James R. A. Davenport, Suzanne L. Hawley

arxiv:1803.04543 v1 · 2018-03-12 · astro-ph.SR · 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{CRC6VUL2CJ5IY2CEO6QINJIKOV}

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.

Cited by

1 paper in Pith

A single power law for the TRAPPIST-1 flare distribution across four orders of magnitude in energy

Receipt and verification

First computed	2026-05-18T00:17:38.278212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1445ead17a127a8c684477a086a50a755216f7c6645e67e754aa3d0a6a7835f8

Aliases

arxiv: 1803.04543 · arxiv_version: 1803.04543v1 · doi: 10.48550/arxiv.1803.04543 · pith_short_12: CRC6VUL2CJ5I · pith_short_16: CRC6VUL2CJ5IY2CE · pith_short_8: CRC6VUL2

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/CRC6VUL2CJ5IY2CEO6QINJIKOV \
  | 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: 1445ead17a127a8c684477a086a50a755216f7c6645e67e754aa3d0a6a7835f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9c29098a8775ba125f4f17247d44c145bb71f1f4aced500802ac5996481cf0",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-12T21:33:52Z",
    "title_canon_sha256": "45e676628815fb87826e7278e329ac42d1d63275692f53c73b131913bd1f6883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04543",
    "kind": "arxiv",
    "version": 1
  }
}