Pith Number

pith:HAT6LGOW

pith:2023:HAT6LGOWLMFXJUWUFDOHE6VABE

not attested not anchored not stored refs pending

Absolute Ca II H & K and H-alpha flux measurements of low-mass stars: Extending $R'_\mathrm{HK}$ to M dwarfs

A. Reiners, C. J. Marvin, G. Anglada-Escud\'e, S. Boro Saikia, S. V. Jeffers

arxiv:2302.00056 v1 · 2023-01-31 · 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{HAT6LGOWLMFXJUWUFDOHE6VABE}

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	2026-07-05T05:53:12.923285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3827e599d65b0b74d2d428dc727aa00916846a5c9ec34db5def59a5333edc174

Aliases

arxiv: 2302.00056 · arxiv_version: 2302.00056v1 · doi: 10.48550/arxiv.2302.00056 · pith_short_12: HAT6LGOWLMFX · pith_short_16: HAT6LGOWLMFXJUWU · pith_short_8: HAT6LGOW

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/HAT6LGOWLMFXJUWUFDOHE6VABE \
  | 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: 3827e599d65b0b74d2d428dc727aa00916846a5c9ec34db5def59a5333edc174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff04d4e46389f02495a63f4b9571d7318aed1ea33dd8bf475d188a45bb7df0fc",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-31T19:44:17Z",
    "title_canon_sha256": "c9ff46601d1a4fd8af7931bd2f01aba3b7e209e535a9bbab1f2ffa38837a5c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.00056",
    "kind": "arxiv",
    "version": 1
  }
}