Pith Number

pith:OBHWMKHC

pith:2021:OBHWMKHCE6GXKWSWYVM3AKEWS4

not attested not anchored not stored refs pending

Stellar Activity Manifesting at a One Year Alias Explains Barnard b as a False Positive

Andrew J. Metcalf, Arpita Roy, Chad Bender, Christian Schwab, Connor Fredrick, Corey Beard, Eric Ford, Gudmundur Stefansson, Jack Lubin, Jason T. Wright, Joe Ninan, Lawrence Ramsey, Michael Endl, Paul Robertson, Ryan Terrien, Samuel Halverson, Scott A. Diddams, Shubham Kanodia, Suvrath Mahadevan, William D. Cochran

arxiv:2105.07005 v1 · 2021-05-14 · astro-ph.EP · 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{OBHWMKHCE6GXKWSWYVM3AKEWS4}

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	2026-07-05T02:40:36.103950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704f6628e2278d755a56c559b028969733ab9ca335977041330011c5f5974620

Aliases

arxiv: 2105.07005 · arxiv_version: 2105.07005v1 · doi: 10.48550/arxiv.2105.07005 · pith_short_12: OBHWMKHCE6GX · pith_short_16: OBHWMKHCE6GXKWSW · pith_short_8: OBHWMKHC

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/OBHWMKHCE6GXKWSWYVM3AKEWS4 \
  | 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: 704f6628e2278d755a56c559b028969733ab9ca335977041330011c5f5974620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adce1d98762ae8a85e7b343b1c663cf6a53215d63460ab0f7af7310231746762",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-05-14T18:00:02Z",
    "title_canon_sha256": "982cc082762a7aefe81f1310f2a3c6116375668b395d3b1508cd0c5eda7b6456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07005",
    "kind": "arxiv",
    "version": 1
  }
}