Pith Number

pith:SVOPN4VO

pith:2026:SVOPN4VO2B5TLOCVBGV4L7GLG7

not attested not anchored not stored refs pending

A redshift of z=3.20 for the bright arc in eMACSJ2229.9-0808: Comment on Wagner & Falco (2026) "Hamilton's Object revisited: A challenging source redshift of a strong lensing configuration"

A.C. Edge, Harald Ebeling, Ian Smail, Johan Richard

arxiv:2607.06673 v1 · 2026-07-07 · 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{SVOPN4VO2B5TLOCVBGV4L7GLG7}

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	2026-07-09T00:19:22.780982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

955cf6f2aed07b35b85509abc5fccb37db062c4672a44076a45325030e08b29e

Aliases

arxiv: 2607.06673 · arxiv_version: 2607.06673v1 · doi: 10.48550/arxiv.2607.06673 · pith_short_12: SVOPN4VO2B5T · pith_short_16: SVOPN4VO2B5TLOCV · pith_short_8: SVOPN4VO

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/SVOPN4VO2B5TLOCVBGV4L7GLG7 \
  | 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: 955cf6f2aed07b35b85509abc5fccb37db062c4672a44076a45325030e08b29e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ba3f53d23b68975ec9081b88f1d5fabe381fc744b86113ca448d40a7a4edc3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-07T18:00:13Z",
    "title_canon_sha256": "cd1fd1cc71c5cd42bd32c2348a135abefc0117d59dc8cf717b5e12667b4e7e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06673",
    "kind": "arxiv",
    "version": 1
  }
}