Pith Number

pith:XVDEMM47

pith:2022:XVDEMM47DWLOPT4TTFSV2YJN6X

not attested not anchored not stored refs pending

z~2-9 Galaxies magnified by the Hubble Frontier Field Clusters I: Source Selection and Surface Density-Magnification Constraints from >2500 galaxies

A. Paulino-Afonso, B. Ribeiro, G. Illingworth, M. Stefanon, P. Oesch, R.J. Bouwens, R.S. Ellis

arxiv:2203.14978 v2 · 2022-03-28 · 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{XVDEMM47DWLOPT4TTFSV2YJN6X}

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	2026-07-05T04:27:55.023658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd4646339f1d96e7cf9399655d612df5c0f684d100c9bfc2a86f9d9d77b5f055

Aliases

arxiv: 2203.14978 · arxiv_version: 2203.14978v2 · doi: 10.48550/arxiv.2203.14978 · pith_short_12: XVDEMM47DWLO · pith_short_16: XVDEMM47DWLOPT4T · pith_short_8: XVDEMM47

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/XVDEMM47DWLOPT4TTFSV2YJN6X \
  | 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: bd4646339f1d96e7cf9399655d612df5c0f684d100c9bfc2a86f9d9d77b5f055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6e1e0d78802ea2cb27886d8eeeb48809f20ff0b12050c0cecc7a96deeed3d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-03-28T18:00:02Z",
    "title_canon_sha256": "39414ab1e3b28766687137d325a144c47ff841529a7f5bfd7704b9cc09dcf26e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.14978",
    "kind": "arxiv",
    "version": 2
  }
}