Pith Number

pith:AIG44ZXL

pith:2026:AIG44ZXLBNO7YICCQCR4QDOXKA

not attested not anchored not stored refs pending

A JWST redshift for the host galaxy of EP250207b of z=3.2: a collapsar origin is viable

Agnes P. C. van Hoof, Andrea Rossi, Andrew J. Levan, Antonio Martin-Carrillo, Ashley Chrimes, Daniele B. Malesani, Daniel Mata S\'anchez, Francesca Onori, Francesco Carotenuto, Franz E. Bauer, Gregory Corcoran, Hui Sun, Javi S\'anchez-Sierras, Joe Bright, Jonathan Quirola-V\'asquez, Joyce N. D. van Dalen, Laura Cotter, Manuel A.P. Torres, Maria E. Ravasio, Morgan Fraser, Nial R. Tanvir, Nikhil Sarin, Paul O'Brien, Peter G. Jonker, Rob A.J. Eyles-Ferris, Steve Schulze, Ting-Wan Chen

arxiv:2608.03582 v1 · 2026-08-04 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIG44ZXLBNO7YICCQCR4QDOXKA}

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	2026-08-05T01:36:42.089934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

020dce66eb0b5dfc204280a3c80dd750363f860a132b9e0e0512768b4acc3185

Aliases

arxiv: 2608.03582 · arxiv_version: 2608.03582v1 · doi: 10.48550/arxiv.2608.03582 · pith_short_12: AIG44ZXLBNO7 · pith_short_16: AIG44ZXLBNO7YICC · pith_short_8: AIG44ZXL

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/AIG44ZXLBNO7YICCQCR4QDOXKA \
  | 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: 020dce66eb0b5dfc204280a3c80dd750363f860a132b9e0e0512768b4acc3185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f073229cb7ac101c69c611a85ee42e81471465254c576e2167f841a6ca8dc6ad",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-08-04T12:35:36Z",
    "title_canon_sha256": "1e6873c4f644169ba3561f9873c8074ac1889332677ca6118df48869f6dc95ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03582",
    "kind": "arxiv",
    "version": 1
  }
}