Pith Number

pith:OHCB7TN2

pith:2023:OHCB7TN2WM24VZPTCP3MHCOS6N

not attested not anchored not stored refs pending

GRB 191019A: a short gamma-ray burst in disguise from the disk of an active galactic nucleus

Andrew Levan, Benjamin Gompertz, Davide Lazzati, Rosalba Perna

arxiv:2303.12935 v2 · 2023-03-22 · astro-ph.HE · astro-ph.CO · 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{OHCB7TN2WM24VZPTCP3MHCOS6N}

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	2026-07-05T06:25:24.947209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71c41fcdbab335cae5f313f6c389d2f36d7c2c50f2a9f83716db5b4062198058

Aliases

arxiv: 2303.12935 · arxiv_version: 2303.12935v2 · doi: 10.48550/arxiv.2303.12935 · pith_short_12: OHCB7TN2WM24 · pith_short_16: OHCB7TN2WM24VZPT · pith_short_8: OHCB7TN2

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/OHCB7TN2WM24VZPTCP3MHCOS6N \
  | 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: 71c41fcdbab335cae5f313f6c389d2f36d7c2c50f2a9f83716db5b4062198058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "381bed94d61d8b012391d825d0aea192cab51dc2291438b0d5e2452a95693245",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-22T22:30:40Z",
    "title_canon_sha256": "9d811b19baa9790ef760329b150e0064d00674ad757b0eeecca431a3f015dd46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12935",
    "kind": "arxiv",
    "version": 2
  }
}