Pith Number

pith:IWZFLX4R

pith:2012:IWZFLX4RJPEQ4WTFXJSLS6YYI5

not attested not anchored not stored refs pending

Blood ties: the real nature of the LMC binary globular clusters NGC 2136 and NGC 2137

A. Mucciarelli (UniBo), B. Lanzoni (UNIBo), F. R. Ferraro (UNIBo), L. Origlia (INAF-OABo), M. Bellazzini (INAF-Oabo)

arxiv:1201.3715 v1 · 2012-01-18 · astro-ph.SR · 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{IWZFLX4RJPEQ4WTFXJSLS6YYI5}

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	2026-05-18T01:58:47.558607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b255df914bc90e5a65ba64b97b184742573b5712fe4372b58b46a63897a500

Aliases

arxiv: 1201.3715 · arxiv_version: 1201.3715v1 · doi: 10.48550/arxiv.1201.3715 · pith_short_12: IWZFLX4RJPEQ · pith_short_16: IWZFLX4RJPEQ4WTF · pith_short_8: IWZFLX4R

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/IWZFLX4RJPEQ4WTFXJSLS6YYI5 \
  | 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: 45b255df914bc90e5a65ba64b97b184742573b5712fe4372b58b46a63897a500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ebcbefec167d8f641c586bb412841a143e4b3f7dbbd4b8c690282b8559a39f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-18T07:33:28Z",
    "title_canon_sha256": "35a4128867bf308c47eaa55c16a2d7c3765a81e82778db32e4ae0b8cee0a7a4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3715",
    "kind": "arxiv",
    "version": 1
  }
}