Pith Number

pith:YIW6HRBP

pith:2025:YIW6HRBPCXGEBLLXKN3OYC276E

not attested not anchored not stored refs pending

Magnification bias reveals severe contamination in Hubble Frontier Field photo-z catalogs

Giorgio Manzoni, Jeremy Lim, Jiashuo Zhang, Man Cheung Li, Rogier Windhorst, Sung Kei Li, Tom Broadhurst

arxiv:2507.09142 v1 · 2025-07-12 · astro-ph.CO · 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{YIW6HRBPCXGEBLLXKN3OYC276E}

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	2026-07-05T11:36:04.456627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22de3c42f15cc40ad775376ec0b5ff1056716054ee2380b5fb5636ff0d7202a

Aliases

arxiv: 2507.09142 · arxiv_version: 2507.09142v1 · doi: 10.48550/arxiv.2507.09142 · pith_short_12: YIW6HRBPCXGE · pith_short_16: YIW6HRBPCXGEBLLX · pith_short_8: YIW6HRBP

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/YIW6HRBPCXGEBLLXKN3OYC276E \
  | 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: c22de3c42f15cc40ad775376ec0b5ff1056716054ee2380b5fb5636ff0d7202a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ffa9a369a18b29bb4c69e32beafd58bb48893d7335d68b548ea03d628a96583",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-07-12T05:08:18Z",
    "title_canon_sha256": "c009b0050ce56342026264a5e4d388268c705c305583b979fe68a5fb95a38f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09142",
    "kind": "arxiv",
    "version": 1
  }
}