Pith Number

pith:THS2UOLS

pith:2021:THS2UOLSR5FUFGOKJJ4FYKCW6N

not attested not anchored not stored refs pending

Photometric variability as a proxy for magnetic activity and its dependence on metallicity

Julia Roquette, Louis Amard, Sean P. Matt, Victor See

arxiv:2103.05675 v1 · 2021-03-09 · 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{THS2UOLSR5FUFGOKJJ4FYKCW6N}

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

Hints of enhanced magnetic activity after the intermediate rotation period gap as traced by the chromospheric Ca ii infrared triplet

Receipt and verification

First computed	2026-07-05T02:41:17.367898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e5aa39728f4b4299ca4a785c2856f376f806f8aef90ef91c6f915df4aac7b8

Aliases

arxiv: 2103.05675 · arxiv_version: 2103.05675v1 · doi: 10.48550/arxiv.2103.05675 · pith_short_12: THS2UOLSR5FU · pith_short_16: THS2UOLSR5FUFGOK · pith_short_8: THS2UOLS

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/THS2UOLSR5FUFGOKJJ4FYKCW6N \
  | 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: 99e5aa39728f4b4299ca4a785c2856f376f806f8aef90ef91c6f915df4aac7b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "497c3f9d7d6c97b6cb605cbe82f8992414e0ee4530c2a97efbffd0966fc6ff03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-09T19:22:46Z",
    "title_canon_sha256": "b6ca76d0d6d63c8894796ef565007dc13a5404348e79bfacfbd04b43e34c8d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.05675",
    "kind": "arxiv",
    "version": 1
  }
}