Pith Number

pith:7W2KFROL

pith:2021:7W2KFROLPLZMFJ42X7FV5PQZP4

not attested not anchored not stored refs pending

A Pilot Radio Search for Magnetic Activity in Directly Imaged Exoplanets

Edo Berger, Peter K. G. Williams, Yvette Cendes

arxiv:2106.14994 v1 · 2021-06-28 · 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{7W2KFROLPLZMFJ42X7FV5PQZP4}

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

Tentative detection of circularly polarized bursty radio emissions from the HD 189733 exoplanetary system using NenuFAR beamformed observations

Receipt and verification

First computed	2026-07-05T03:42:43.714349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb4a2c5cb7af2c2a79abfcb5ebe197f3a0872cf77ae3d5f5105d0cb8454b49d

Aliases

arxiv: 2106.14994 · arxiv_version: 2106.14994v1 · doi: 10.48550/arxiv.2106.14994 · pith_short_12: 7W2KFROLPLZM · pith_short_16: 7W2KFROLPLZMFJ42 · pith_short_8: 7W2KFROL

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/7W2KFROLPLZMFJ42X7FV5PQZP4 \
  | 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: fdb4a2c5cb7af2c2a79abfcb5ebe197f3a0872cf77ae3d5f5105d0cb8454b49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a8a0c69ce77eb43ccb1ab9f429d5e9e0734f69d424ea9f10d6080f80d7281b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-06-28T21:34:56Z",
    "title_canon_sha256": "416975a31c1771e819ddeab73cdb7da9695eede37b7e9589ab210ea4330abba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14994",
    "kind": "arxiv",
    "version": 1
  }
}