Pith Number

pith:ZQ3UD6OV

pith:2026:ZQ3UD6OVEUI3IE5NZYS7FFNRGM

not attested not anchored not stored refs pending

In the Eye of the Storm: The Third Giant X-ray Outburst of the Extreme Changing-look AGN IC 3599

A.V. Dodin, A.V. Filippenko, C. Tapper, D. Grupe, E. Elien, J. Wang, N. Schartel, P. Lynam, S. Komossa, S. Wolsing, T.G. Brink, V. Oknyansky, W. Zheng

arxiv:2607.09036 v1 · 2026-07-10 · astro-ph.GA · 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{ZQ3UD6OVEUI3IE5NZYS7FFNRGM}

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	2026-07-13T00:17:36.236373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3741f9d52511b413adce25f295b13328dbfbee22f58fe5b53087d6ad05a5f9

Aliases

arxiv: 2607.09036 · arxiv_version: 2607.09036v1 · doi: 10.48550/arxiv.2607.09036 · pith_short_12: ZQ3UD6OVEUI3 · pith_short_16: ZQ3UD6OVEUI3IE5N · pith_short_8: ZQ3UD6OV

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/ZQ3UD6OVEUI3IE5NZYS7FFNRGM \
  | 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: cc3741f9d52511b413adce25f295b13328dbfbee22f58fe5b53087d6ad05a5f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e228ee4025eec692b3622b41242dbae3ab1ef313c8756b933a7cfa67fb16fb6a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-10T01:57:15Z",
    "title_canon_sha256": "074c940638b76cabc3fc7422ef047bdb7ee655f50008780d1f5675cfd1aa1121"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09036",
    "kind": "arxiv",
    "version": 1
  }
}