Pith Number

pith:SDO7UAJK

pith:2019:SDO7UAJKOOLNW3ICJGXLIT3QEX

not attested not anchored not stored refs pending

Galaxy Merger Fractions in Two Clusters at $z\sim2$ Using the Hubble Space Telescope

Adam Tomczak, Anshu Gupta, Casey Papovich, Courtney Watson, Gabriel Brammer, Irene V. Salazar, Ivelina Momcheva, Jennifer Lotz, Kim-Vy Tran, Leo Alcorn, Pieter van Dokkum

arxiv:1902.07225 v1 · 2019-02-19 · 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{SDO7UAJKOOLNW3ICJGXLIT3QEX}

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.

Cited by

1 paper in Pith

Spider-Webb: enhanced star formation in low-mass galaxies within the Spiderweb protocluster revealed by JWST Pa$\beta$ narrow-band imaging

Receipt and verification

First computed	2026-05-17T23:49:38.911579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90ddfa012a7396db6d0249aeb44f7025f0126faf29c3bc69e451b22d78072cf1

Aliases

arxiv: 1902.07225 · arxiv_version: 1902.07225v1 · doi: 10.48550/arxiv.1902.07225 · pith_short_12: SDO7UAJKOOLN · pith_short_16: SDO7UAJKOOLNW3IC · pith_short_8: SDO7UAJK

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/SDO7UAJKOOLNW3ICJGXLIT3QEX \
  | 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: 90ddfa012a7396db6d0249aeb44f7025f0126faf29c3bc69e451b22d78072cf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de7d55b205b9e9a126006a958eefff57976019df6346048fc2ec92a12f08c125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-19T19:00:13Z",
    "title_canon_sha256": "53e3cc4cbfca004ba4fa0f1b7ce8d090bac3bbd6c113048f810375f02c992663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07225",
    "kind": "arxiv",
    "version": 1
  }
}