Pith Number

pith:UO4HUJIS

pith:2026:UO4HUJISOA4BSVIDDAVDXKBXDF

not attested not anchored not stored refs pending

Identifying and Distinguishing Quenching Galaxies with Spatially Resolved Star Formation in the Hubble Frontier Fields

Cameron Lawlor-Forsyth, Gregory H. Rudnick, Michael L. Balogh, Sean L. McGee

arxiv:2607.21560 v1 · 2026-07-23 · 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{UO4HUJISOA4BSVIDDAVDXKBXDF}

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	2026-07-24T01:24:39.711500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b87a25127038195503182a3ba837195a4138b7f387302e05d1d05c751a5844

Aliases

arxiv: 2607.21560 · arxiv_version: 2607.21560v1 · doi: 10.48550/arxiv.2607.21560 · pith_short_12: UO4HUJISOA4B · pith_short_16: UO4HUJISOA4BSVID · pith_short_8: UO4HUJIS

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/UO4HUJISOA4BSVIDDAVDXKBXDF \
  | 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: a3b87a25127038195503182a3ba837195a4138b7f387302e05d1d05c751a5844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45e1e88cc0ec3ab1f1f6531982867deea438f9b4d303355c0b6466a0a831b6da",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-23T17:41:31Z",
    "title_canon_sha256": "c7c6cbd2db7d4759649edc0115f2cdb5dd7887dba0b534a421ba14478bbc387c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21560",
    "kind": "arxiv",
    "version": 1
  }
}