Pith Number

pith:BX2GMPBJ

pith:2026:BX2GMPBJV6FUJUTLP5JAAKJFCZ

not attested not anchored not stored refs pending

Compact Objects Merging with Stars as an Origin of Ultra-Long Gamma-Ray Bursts and Luminous Fast Blue Optical Transients

Anya E. Nugent, Brian D. Metzger, Christopher L. Fryer, Eric Burns, Jakub Klencki, Tarraneh Eftekhari, V. Ashley Villar

arxiv:2607.07819 v1 · 2026-07-08 · 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{BX2GMPBJV6FUJUTLP5JAAKJFCZ}

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	2026-07-10T00:19:02.105642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df4663c29af8b44d26b7f52002925165c581b2b510b4bb90e9260f97a5f50f9

Aliases

arxiv: 2607.07819 · arxiv_version: 2607.07819v1 · doi: 10.48550/arxiv.2607.07819 · pith_short_12: BX2GMPBJV6FU · pith_short_16: BX2GMPBJV6FUJUTL · pith_short_8: BX2GMPBJ

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/BX2GMPBJV6FUJUTLP5JAAKJFCZ \
  | 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: 0df4663c29af8b44d26b7f52002925165c581b2b510b4bb90e9260f97a5f50f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f71c7e3d1ae1f652b1660f5bf298cd1c8a1b1fdb3386fbadd5d398de004ad6c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-08T18:03:33Z",
    "title_canon_sha256": "32db8b6ec22888246ecb80d6e10fa51458d6bbf2572b827b7a771f62baf75a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07819",
    "kind": "arxiv",
    "version": 1
  }
}