Pith Number

pith:EMPTCL6Y

pith:2015:EMPTCL6YC6SJLVLCE5M6JTNUH3

not attested not anchored not stored refs pending

A chemical trompe-l'\oe{}il: no iron spread in the globular cluster M22

A. Mucciarelli, B. Lanzoni, C. Lardo, D. Massari, E. Lapenna, E. Pancino, F. R. Ferraro, P. B. Stetson

arxiv:1507.01596 v1 · 2015-07-06 · 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{EMPTCL6YC6SJLVLCE5M6JTNUH3}

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	2026-05-18T01:34:47.747255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

231f312fd817a495d5622759e4cdb43ec8d251672cd0f370fbf511f68b73497a

Aliases

arxiv: 1507.01596 · arxiv_version: 1507.01596v1 · doi: 10.48550/arxiv.1507.01596 · pith_short_12: EMPTCL6YC6SJ · pith_short_16: EMPTCL6YC6SJLVLC · pith_short_8: EMPTCL6Y

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/EMPTCL6YC6SJLVLCE5M6JTNUH3 \
  | 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: 231f312fd817a495d5622759e4cdb43ec8d251672cd0f370fbf511f68b73497a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd9a733316469d33663aa61b09fda9cb69a08f70e64f73144a1d55fe3ef2e50e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-06T20:00:48Z",
    "title_canon_sha256": "76ffda4984361605e9e6d5d62c6945e29b72897d418f9b2186db6029dee05be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01596",
    "kind": "arxiv",
    "version": 1
  }
}