Pith Number

pith:7Z5HYGQ7

pith:2022:7Z5HYGQ7C2OHGQDW4T4RRYVI2M

not attested not anchored not stored refs pending

The Puzzling Story of Flare Inactive Ultra Fast Rotating M dwarfs. II. Searching for radial velocity variations

Gavin Ramsay (Armagh), J. Gerry Doyle (Armagh), Lauren Doyle (Warwick), Pasi Hakala (FINCA), Stefano Bagnulo (Armagh)

arxiv:2202.06888 v1 · 2022-02-14 · 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{7Z5HYGQ7C2OHGQDW4T4RRYVI2M}

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	2026-07-05T03:59:03.654333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7a7c1a1f169c734076e4f918e2a8d331f0df48920d99c3b4d414b0077d3666

Aliases

arxiv: 2202.06888 · arxiv_version: 2202.06888v1 · doi: 10.48550/arxiv.2202.06888 · pith_short_12: 7Z5HYGQ7C2OH · pith_short_16: 7Z5HYGQ7C2OHGQDW · pith_short_8: 7Z5HYGQ7

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/7Z5HYGQ7C2OHGQDW4T4RRYVI2M \
  | 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: fe7a7c1a1f169c734076e4f918e2a8d331f0df48920d99c3b4d414b0077d3666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b48c044458478080a6572625b704eb2350ac00fcc5b3016f5898107a1184b3bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-02-14T17:22:29Z",
    "title_canon_sha256": "ca987c50d37167921a9a35885f7b9d09e90c709b9048dafe50cf98bc12cd136b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.06888",
    "kind": "arxiv",
    "version": 1
  }
}