Pith Number

pith:YGSQYZ2U

pith:2018:YGSQYZ2UJLE6ADWAYHCNJSKG3Z

not attested not anchored not stored refs pending

Characterising Open Clusters in the solar neighbourhood with the Tycho-Gaia Astrometric Solution

A. Krone-Martins, A. Moitinho, A. Vallenari, C. Jordi, C. Soubiran, F. Pensabene, L. Balaguer-N\'unez, L. Casamiquela, N. Brouillet, R. Sordo, T. Cantat-Gaudin

arxiv:1801.10042 v2 · 2018-01-30 · 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{YGSQYZ2UJLE6ADWAYHCNJSKG3Z}

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	2026-05-18T00:10:31.941269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1a50c67544ac9e00ec0c1c4d4c946de6c7a1b98a7e58e64ea84c13e1cad4b30

Aliases

arxiv: 1801.10042 · arxiv_version: 1801.10042v2 · doi: 10.48550/arxiv.1801.10042 · pith_short_12: YGSQYZ2UJLE6 · pith_short_16: YGSQYZ2UJLE6ADWA · pith_short_8: YGSQYZ2U

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/YGSQYZ2UJLE6ADWAYHCNJSKG3Z \
  | 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: c1a50c67544ac9e00ec0c1c4d4c946de6c7a1b98a7e58e64ea84c13e1cad4b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf03b8f02533a8be7eeee7cc074fd425978571406614ca92b01d4fc743663b8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-30T15:05:38Z",
    "title_canon_sha256": "75ce2984ecdb5cfb49ae190e5b7f0e7e64aadfa10563800a0df52c19ff1d4e47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10042",
    "kind": "arxiv",
    "version": 2
  }
}