Pith Number

pith:MJLKMKDX

pith:2010:MJLKMKDXILGNY7YXZSYT5AAMO2

not attested not anchored not stored refs pending

Star formation in the outer Galaxy: membership and fundamental parameters of the young open cluster NGC 1893

(2) Centro de Astrobiologia CSIC-INTA, (3) ESO Garching-bei-Munchen, Germany), G. Micela (1), J. Sanz-Forcada (2), LAEFF Campus, L. Prisinzano (1), L. Testi (3) ( (1) INAF - Osservatorio Astronomico di Palermo, Madrid, M. Caramazza (1), M. G. Guarcello (1), Spain, S. Sciortino (1)

arxiv:1009.0920 v1 · 2010-09-05 · astro-ph.GA · 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{MJLKMKDXILGNY7YXZSYT5AAMO2}

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	2026-05-18T02:05:36.628759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6256a6287742ccdc7f17ccb13e800c769c3c5e3e19c933da2cb83d45893d8938

Aliases

arxiv: 1009.0920 · arxiv_version: 1009.0920v1 · doi: 10.48550/arxiv.1009.0920 · pith_short_12: MJLKMKDXILGN · pith_short_16: MJLKMKDXILGNY7YX · pith_short_8: MJLKMKDX

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/MJLKMKDXILGNY7YXZSYT5AAMO2 \
  | 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: 6256a6287742ccdc7f17ccb13e800c769c3c5e3e19c933da2cb83d45893d8938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6110ed51aeb335a9e0ce8bff6242c202a7bea0e3ac7c23d2f0db35cb33b2a14",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-05T14:14:02Z",
    "title_canon_sha256": "ef09b652d9ce54e6210fed6e4b7f4240ecb897c24e18083e403cad3cfeebf2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0920",
    "kind": "arxiv",
    "version": 1
  }
}