Pith Number

pith:ZRA7A6ME

pith:2023:ZRA7A6MEPRQEDN2MEQIDBIPZBI

not attested not anchored not stored refs pending

High-resolution spectroscopy of the young open cluster M 39 (NGC 7092)

A. Bragaglia, A. Frasca, A. Vallenari, E. Carretta, G. Catanzaro, J. ALonso-Santiago, L. Magrini, S. Lucatello

arxiv:2312.08581 v1 · 2023-12-14 · 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{ZRA7A6MEPRQEDN2MEQIDBIPZBI}

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	2026-07-05T07:24:06.194912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc41f079847c6041b74c241030a1f90a14ff73d7ad58e88e41a67a8518c7bd34

Aliases

arxiv: 2312.08581 · arxiv_version: 2312.08581v1 · doi: 10.48550/arxiv.2312.08581 · pith_short_12: ZRA7A6MEPRQE · pith_short_16: ZRA7A6MEPRQEDN2M · pith_short_8: ZRA7A6ME

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/ZRA7A6MEPRQEDN2MEQIDBIPZBI \
  | 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: cc41f079847c6041b74c241030a1f90a14ff73d7ad58e88e41a67a8518c7bd34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2c8d128cf29b36c58b710a37b69e6e8ed245b15ac26008bb1d997434819e24c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-12-14T01:00:55Z",
    "title_canon_sha256": "11cff9efa6f61a70d0218af61969b8a0eacb0322c612cf0f9a4d0be8458092df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.08581",
    "kind": "arxiv",
    "version": 1
  }
}