Pith Number

pith:WBZJ4W4P

pith:2026:WBZJ4W4PGIZXZNQK75Q45TSCCI

not attested not anchored not stored refs pending

Heavy element dust explains the late-time spectra of kilonovae

Daniel Kasen, Kenta Hotokezaka, Nanae Domoto

arxiv:2607.00433 v1 · 2026-07-01 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBZJ4W4PGIZXZNQK75Q45TSCCI}

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	2026-07-02T01:17:43.212519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0729e5b8f32337cb60aff61cece4212094672a7932e3e6884fd24498381e9e8

Aliases

arxiv: 2607.00433 · arxiv_version: 2607.00433v1 · doi: 10.48550/arxiv.2607.00433 · pith_short_12: WBZJ4W4PGIZX · pith_short_16: WBZJ4W4PGIZXZNQK · pith_short_8: WBZJ4W4P

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/WBZJ4W4PGIZXZNQK75Q45TSCCI \
  | 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: b0729e5b8f32337cb60aff61cece4212094672a7932e3e6884fd24498381e9e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c387b654b63392a9cba58bcc5910c8dc81c8b5456818c3d779423f5d705478f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-01T04:43:50Z",
    "title_canon_sha256": "c23407e7aabe8e1d6ef448ea5e3975779265cea2158c8b4d123ab8d393d200fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00433",
    "kind": "arxiv",
    "version": 1
  }
}