Pith Number

pith:YVPVLZOC

pith:2026:YVPVLZOC4GCJKD54FUSKHSZSXB

not attested not anchored not stored refs pending

Too shy to spin? Cosmic wallflowers as proto-globular clusters

Floor van Donkelaar, Lucio Mayer, Pedro R. Capelo

arxiv:2606.27426 v1 · 2026-06-25 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVPVLZOC4GCJKD54FUSKHSZSXB}

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	2026-06-29T00:14:05.639862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c55f55e5c2e184950fbc2d24a3cb32b85b4accf25bebce7bd1b9e2820a8605db

Aliases

arxiv: 2606.27426 · arxiv_version: 2606.27426v1 · doi: 10.48550/arxiv.2606.27426 · pith_short_12: YVPVLZOC4GCJ · pith_short_16: YVPVLZOC4GCJKD54 · pith_short_8: YVPVLZOC

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/YVPVLZOC4GCJKD54FUSKHSZSXB \
  | 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: c55f55e5c2e184950fbc2d24a3cb32b85b4accf25bebce7bd1b9e2820a8605db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af2b8cc0a5e4dabab34f285e9c44cb4d6e55f73730c2225bd0f59927f853ac8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-25T18:00:02Z",
    "title_canon_sha256": "26eae9aa085b4a0d9f5129012b11a0ee503bda21a3537f7f6fe1906abb4a49e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27426",
    "kind": "arxiv",
    "version": 1
  }
}