Pith Number

pith:6XRRRPQZ

pith:2013:6XRRRPQZ7HQA2PB2BHDWFCGVG7

not attested not anchored not stored refs pending

Kepler Observations of Very Low-Mass Stars

E. L. Mart\'in, E. Martioli, E. Solano, J. Cabrera, R. Tata

arxiv:1305.3679 v1 · 2013-05-16 · 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{6XRRRPQZ7HQA2PB2BHDWFCGVG7}

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	2026-05-18T01:08:44.974954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e318be19f9e00d3c3a09c76288d537e577ed14e236572754200873878cbd40

Aliases

arxiv: 1305.3679 · arxiv_version: 1305.3679v1 · doi: 10.48550/arxiv.1305.3679 · pith_short_12: 6XRRRPQZ7HQA · pith_short_16: 6XRRRPQZ7HQA2PB2 · pith_short_8: 6XRRRPQZ

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/6XRRRPQZ7HQA2PB2BHDWFCGVG7 \
  | 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: f5e318be19f9e00d3c3a09c76288d537e577ed14e236572754200873878cbd40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eef4cf49aa6a5c17f124c22a7c197c388ea38edfae8c7d044811ea378403299",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-05-16T04:27:58Z",
    "title_canon_sha256": "7e3f7cd6be4923d5965bef3982b2c38c22e3b522790ed36b425c5a503d0a99a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3679",
    "kind": "arxiv",
    "version": 1
  }
}