Pith Number

pith:MLMHU6GE

pith:2022:MLMHU6GEK5LFWLRFHBUHPEMAEO

not attested not anchored not stored refs pending

On the Number of Stars in the Sun's Birth Cluster

Eiichiro Kokubo, Sota Arakawa

arxiv:2212.13772 v1 · 2022-12-28 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLMHU6GEK5LFWLRFHBUHPEMAEO}

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	2026-07-05T05:41:37.883208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62d87a78c457565b2e253868779180239ceadc676e918f27d6b6dae3367737e9

Aliases

arxiv: 2212.13772 · arxiv_version: 2212.13772v1 · doi: 10.48550/arxiv.2212.13772 · pith_short_12: MLMHU6GEK5LF · pith_short_16: MLMHU6GEK5LFWLRF · pith_short_8: MLMHU6GE

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/MLMHU6GEK5LFWLRFHBUHPEMAEO \
  | 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: 62d87a78c457565b2e253868779180239ceadc676e918f27d6b6dae3367737e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef827544e4f053b9da63d17e93ae9fe14226fce4ff48ede3de29aad8f0c1e67a",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-12-28T10:34:26Z",
    "title_canon_sha256": "ce0815b4ee8273cd9b4cfe21b73c64e9f77a90e92ed93c2e54cbd3915168ea06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.13772",
    "kind": "arxiv",
    "version": 1
  }
}