Pith Number

pith:MLK5I2U7

pith:2005:MLK5I2U724ISKX2RRPR4ASEKRL

not attested not anchored not stored refs pending

Open Cluster Birth Analysis and Multiple Spiral Arm Sets in the Milky Way

Nir J. Shaviv, Smadar Naoz

arxiv:astro-ph/0503127 v1 · 2005-03-06 · 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{MLK5I2U724ISKX2RRPR4ASEKRL}

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	2026-05-18T01:07:31.650854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62d5d46a9fd711255f518be3c0488a8ad1fe8e9ea72b17c94a716c15f073729a

Aliases

arxiv: astro-ph/0503127 · arxiv_version: astro-ph/0503127v1 · doi: 10.48550/arxiv.astro-ph/0503127 · pith_short_12: MLK5I2U724IS · pith_short_16: MLK5I2U724ISKX2R · pith_short_8: MLK5I2U7

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/MLK5I2U724ISKX2RRPR4ASEKRL \
  | 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: 62d5d46a9fd711255f518be3c0488a8ad1fe8e9ea72b17c94a716c15f073729a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dda3af88123baf5401cfac182a0e2cc7ea1e7f35f9fe1cdd53f82ab6b314901",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-06T13:08:40Z",
    "title_canon_sha256": "3b74b0f29d96a6b51b5996007ee38781c7bb74ca099d8dfa30ebd6bbc6eee687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503127",
    "kind": "arxiv",
    "version": 1
  }
}