Pith Number

pith:4PTYXKC4

pith:2016:4PTYXKC4ZFEJSEDW3CY3KE2JEK

not attested not anchored not stored refs pending

Investigation of Galactic open cluster remnants: the case of NGC 7193

A. E. Piatti, F. F. S. Maia, J. F. C. Santos Jr., M. S. Angelo, W. J. B. Corradi

arxiv:1610.00972 v2 · 2016-10-04 · 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{4PTYXKC4ZFEJSEDW3CY3KE2JEK}

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	2026-05-18T01:02:21.938648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e78ba85cc948991076d8b1b51349229128133b7fc0a0fc6c9da06a5d2d84e9

Aliases

arxiv: 1610.00972 · arxiv_version: 1610.00972v2 · doi: 10.48550/arxiv.1610.00972 · pith_short_12: 4PTYXKC4ZFEJ · pith_short_16: 4PTYXKC4ZFEJSEDW · pith_short_8: 4PTYXKC4

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/4PTYXKC4ZFEJSEDW3CY3KE2JEK \
  | 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: e3e78ba85cc948991076d8b1b51349229128133b7fc0a0fc6c9da06a5d2d84e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b70280f60262ae3ab319b6d52d5d0aa809d0cd67097f56fa1aff8b6c6271277",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-04T13:14:46Z",
    "title_canon_sha256": "6b210036ac8ab5ecb84cbd7f1e1fbe4ac119de4d029f8881a8b8438e0d2e9a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00972",
    "kind": "arxiv",
    "version": 2
  }
}