Pith Number

pith:GRA432SI

pith:2005:GRA432SIPMHKE7PTCQYM4GNI3A

not attested not anchored not stored refs pending

Three active M dwarfs within 8 pc: L 449-1, L 43-72, & LP 949-15

A. D. Schwope, E. Costa, G. Lo Curto, R. A. M\'endez, R.-D. Scholz, T. J. Henry, V. Hambaryan

arxiv:astro-ph/0505242 v1 · 2005-05-12 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRA432SIPMHKE7PTCQYM4GNI3A}

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	2026-05-18T01:08:59.069191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3441cdea487b0ea27df31430ce19a8d82ef10dba5d8040c61a5a09a875d5c8ef

Aliases

arxiv: astro-ph/0505242 · arxiv_version: astro-ph/0505242v1 · doi: 10.48550/arxiv.astro-ph/0505242 · pith_short_12: GRA432SIPMHK · pith_short_16: GRA432SIPMHKE7PT · pith_short_8: GRA432SI

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/GRA432SIPMHKE7PTCQYM4GNI3A \
  | 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: 3441cdea487b0ea27df31430ce19a8d82ef10dba5d8040c61a5a09a875d5c8ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1865a1c52a0c49d6f27b28503cafba2d1f691abd474bbe0a83e7574786e5265c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-12T08:01:46Z",
    "title_canon_sha256": "3e4460978a3ac36a6358ff01303565871c2c92ec1c3022733044eee6c2ca4a42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505242",
    "kind": "arxiv",
    "version": 1
  }
}