Pith Number

pith:4JGNBFJ3

pith:2026:4JGNBFJ3UFMEFKJFQGGDUDER4E

not attested not anchored not stored refs pending

Quantifying the inside-out formation of disk galaxies at $1.5 \le z \le 3.0$

Karmellah Buttler, Laura DeGroot, Swara Ravindaranath, Taliah Lansing

arxiv:2606.26264 v1 · 2026-06-24 · 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{4JGNBFJ3UFMEFKJFQGGDUDER4E}

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	2026-06-26T00:15:31.764154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e24cd0953ba15842a925818c3a0c91e120aee99dd359c5b0a2a1b659d6239037

Aliases

arxiv: 2606.26264 · arxiv_version: 2606.26264v1 · doi: 10.48550/arxiv.2606.26264 · pith_short_12: 4JGNBFJ3UFME · pith_short_16: 4JGNBFJ3UFMEFKJF · pith_short_8: 4JGNBFJ3

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/4JGNBFJ3UFMEFKJFQGGDUDER4E \
  | 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: e24cd0953ba15842a925818c3a0c91e120aee99dd359c5b0a2a1b659d6239037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "133ba1dc929d638f9b28207e0732f8f5f02d01cfa9a50d52dad2fd89ff30067d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-24T18:08:18Z",
    "title_canon_sha256": "a5b84aafab7327cebd253c293ea49298b397d70868c61ba14eb6b40b1d24b88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26264",
    "kind": "arxiv",
    "version": 1
  }
}