Pith Number

pith:XUHY2I33

pith:2018:XUHY2I33GLYNE3WYTEVE67ZR56

not attested not anchored not stored refs pending

Stellar populations and star formation histories of the nuclear star clusters in six nearby galaxies

Anil C. Seth, C. Jakob Walcher, Michele Cappellari, Nadine Neumayer, Nikolay Kacharov, Richard McDermid, Torsten B\"oker

arxiv:1807.08765 v1 · 2018-07-23 · 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{XUHY2I33GLYNE3WYTEVE67ZR56}

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	2026-05-18T00:08:37.905645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd0f8d237b32f0d26ed8992a4f7f31ef9965305a041bb689c4eb85e9ef220034

Aliases

arxiv: 1807.08765 · arxiv_version: 1807.08765v1 · doi: 10.48550/arxiv.1807.08765 · pith_short_12: XUHY2I33GLYN · pith_short_16: XUHY2I33GLYNE3WY · pith_short_8: XUHY2I33

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/XUHY2I33GLYNE3WYTEVE67ZR56 \
  | 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: bd0f8d237b32f0d26ed8992a4f7f31ef9965305a041bb689c4eb85e9ef220034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a518081ab7b865a5677b527cba5a7cb5b8696311d1df2ecb578d28b0130603f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-23T18:00:28Z",
    "title_canon_sha256": "c021739330b42b007f05d5522fedd04dffa0e00e5a2b22c4312b825210479cc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08765",
    "kind": "arxiv",
    "version": 1
  }
}