Pith Number

pith:JSKXXPUV

pith:2026:JSKXXPUVCMKA32WG7PDOKTHURL

not attested not anchored not stored refs pending

Detection of a parsec-scale, compact, and fading ejecta from an accreting massive black hole

Chao Li, Jun Yang, Lang Cui, Luis C. Ho, Ning Chang

arxiv:2606.11939 v1 · 2026-06-10 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSKXXPUVCMKA32WG7PDOKTHURL}

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	2026-06-11T01:10:16.973403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c957bbe9513140deac6fbc6e54cf48aeabdb8e88ad92c665126b8c80708f0d5

Aliases

arxiv: 2606.11939 · arxiv_version: 2606.11939v1 · doi: 10.48550/arxiv.2606.11939 · pith_short_12: JSKXXPUVCMKA · pith_short_16: JSKXXPUVCMKA32WG · pith_short_8: JSKXXPUV

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/JSKXXPUVCMKA32WG7PDOKTHURL \
  | 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: 4c957bbe9513140deac6fbc6e54cf48aeabdb8e88ad92c665126b8c80708f0d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e8481396e3ffb3a4833f5c1353cf282fa0539b9cd4709cdc704b7c81674014",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-10T11:11:05Z",
    "title_canon_sha256": "ed6005cf26b2e921c339117be6b3088d83624e80a08ff43fd78f1ceef22af227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11939",
    "kind": "arxiv",
    "version": 1
  }
}