Pith Number

pith:XCA26QHW

pith:2026:XCA26QHW5VVS7JRENBAGJGPRS4

not attested not anchored not stored refs pending

Discovery of a gravitational arc candidate at photometric redshift 4.4 in MACS J0308.9+2645 from a catalogue-based search of JWST imaging

Homer D\'avila Guti\'errez

arxiv:2607.12129 v1 · 2026-07-13 · 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{XCA26QHW5VVS7JRENBAGJGPRS4}

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	2026-07-15T00:21:34.744523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b881af40f6ed6b2fa62468406499f197089991dba45ad68d7803b0737ebf479a

Aliases

arxiv: 2607.12129 · arxiv_version: 2607.12129v1 · doi: 10.48550/arxiv.2607.12129 · pith_short_12: XCA26QHW5VVS · pith_short_16: XCA26QHW5VVS7JRE · pith_short_8: XCA26QHW

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/XCA26QHW5VVS7JRENBAGJGPRS4 \
  | 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: b881af40f6ed6b2fa62468406499f197089991dba45ad68d7803b0737ebf479a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eccc4245db888f819e6444d950a671653ab37e33df49f77c7b3b295d2042fb76",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-13T20:24:11Z",
    "title_canon_sha256": "ca1b3524b19ce8abebdc6fe5ed3e21235d91523ddfeafedca2b0d53bf83404d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12129",
    "kind": "arxiv",
    "version": 1
  }
}