Pith Number

pith:7E6HDEWA

pith:2026:7E6HDEWAOAOA4FDYJYHS7232LS

not attested not anchored not stored refs pending

The GRB Intrinsic Duration Distribution: Progenitor Insights Across Cosmic Time

Nicole M. Lloyd-Ronning, Omer Bromberg, Tsvi Piran

arxiv:2601.07928 v2 · 2026-01-12 · 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{7E6HDEWAOAOA4FDYJYHS7232LS}

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	2026-05-20T00:04:21.263827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f93c7192c0701c0e14784e0f2feb7a5cb6ce046e4fa94f10c6e9190880063291

Aliases

arxiv: 2601.07928 · arxiv_version: 2601.07928v2 · doi: 10.48550/arxiv.2601.07928 · pith_short_12: 7E6HDEWAOAOA · pith_short_16: 7E6HDEWAOAOA4FDY · pith_short_8: 7E6HDEWA

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/7E6HDEWAOAOA4FDYJYHS7232LS \
  | 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: f93c7192c0701c0e14784e0f2feb7a5cb6ce046e4fa94f10c6e9190880063291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "816b478364d251bd8acfb852040ac2d0bcbe4f0cee290d57e78bbaa8a01063ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-01-12T19:00:42Z",
    "title_canon_sha256": "66c3a1f88e869722288d3859b68c4de692af78a25eacc502a1fe9ebc99efc2e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.07928",
    "kind": "arxiv",
    "version": 2
  }
}