Pith Number

pith:HZGI5IRQ

pith:2021:HZGI5IRQQRAMO33LQ2XNFNLPZE

not attested not anchored not stored refs pending

The Fornax3D project: Planetary nebulae catalogue and independent distance measurements to Fornax cluster galaxies

B. Nedelchev, D. A. Gadotti, E. Iodice, E. M. Corsini, F. Pinna, G. van de Ven, I. Mart\'in-Navarro, J. Falc\'on-Barroso, K. Fahrion, L. Coccato, L. Morelli, L. Zhu, M. Lyubenova, M. Sarz, P. M. Gal\'an-de Anta, P. T. de Zeeuw, R. M. McDermid, R. Napiwotzki, S. Viaene, T. W. Spriggs

arxiv:2107.09680 v2 · 2021-07-20 · 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{HZGI5IRQQRAMO33LQ2XNFNLPZE}

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	2026-07-05T03:18:55.301920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e4c8ea2308440c76f6b86aed2b56fc9198a6f2352abb4db86cb6e72ba90bae6

Aliases

arxiv: 2107.09680 · arxiv_version: 2107.09680v2 · doi: 10.48550/arxiv.2107.09680 · pith_short_12: HZGI5IRQQRAM · pith_short_16: HZGI5IRQQRAMO33L · pith_short_8: HZGI5IRQ

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/HZGI5IRQQRAMO33LQ2XNFNLPZE \
  | 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: 3e4c8ea2308440c76f6b86aed2b56fc9198a6f2352abb4db86cb6e72ba90bae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3586d52e9445ae213a0a01f16623b7e86a4278e33b1137251e575971268dabcf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-20T18:00:02Z",
    "title_canon_sha256": "89068c1781d923adb0ef3b33535044df45ee32948501ad929493a7ce6b947a93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09680",
    "kind": "arxiv",
    "version": 2
  }
}