Pith Number

pith:PLLVFB4Y

pith:2019:PLLVFB4Y3NCW5XXC4GMS2FFTOX

not attested not anchored not stored refs pending

Solving the distance discrepancy for the open cluster NGC 2453. The planetary nebula NGC 2452 is not a cluster member

A. Moitinho, C. A. L. Morales Mar\'in, C. Moni Bidin, D. Gonz\'alez-D\'iaz, D. Majaess, E. Morales-Campa\~na, E. Silva-Villa, G. Carraro, Orquera-Rojas

arxiv:1906.09500 v1 · 2019-06-22 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLLVFB4Y3NCW5XXC4GMS2FFTOX}

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	2026-05-17T23:42:37.780678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ad7528798db456edee2e1992d14b375fea274271f5d3d29e914be2d1a72c0a4

Aliases

arxiv: 1906.09500 · arxiv_version: 1906.09500v1 · doi: 10.48550/arxiv.1906.09500 · pith_short_12: PLLVFB4Y3NCW · pith_short_16: PLLVFB4Y3NCW5XXC · pith_short_8: PLLVFB4Y

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/PLLVFB4Y3NCW5XXC4GMS2FFTOX \
  | 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: 7ad7528798db456edee2e1992d14b375fea274271f5d3d29e914be2d1a72c0a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d156c9f09bf2069ad8d0144f2524c031b60739ae4e579fc70837e50fd305e6ea",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-22T20:42:59Z",
    "title_canon_sha256": "8865543ba106fd3cb9e0329a50d5672f81f7615273a0796cbaf2f9f51d63065a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09500",
    "kind": "arxiv",
    "version": 1
  }
}