Pith Number

pith:SJMFTLYD

pith:2026:SJMFTLYDM2VLL6C4NVD4BI4UB6

not attested not anchored not stored refs pending

ABCD: The Nuclear Structure of the Little Red Dots Revealted through Absorption, Break, Continuum, and Decrement

Chang-Hao Chen, Jinyi Shangguan, Kohei Inayoshi, Luis C. Ho, Ruancun Li, Zijian Zhang

arxiv:2606.04711 v1 · 2026-06-03 · 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{SJMFTLYDM2VLL6C4NVD4BI4UB6}

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	2026-06-04T01:09:26.163272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

925859af0366aab5f85c6d47c0a3940fb69acd5368125bee441a87e357e655dc

Aliases

arxiv: 2606.04711 · arxiv_version: 2606.04711v1 · doi: 10.48550/arxiv.2606.04711 · pith_short_12: SJMFTLYDM2VL · pith_short_16: SJMFTLYDM2VLL6C4 · pith_short_8: SJMFTLYD

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/SJMFTLYDM2VLL6C4NVD4BI4UB6 \
  | 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: 925859af0366aab5f85c6d47c0a3940fb69acd5368125bee441a87e357e655dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc4de4aeb28318a3ce0c3b3b67df7225cfe3ccc146ab6f4de924a57baabce338",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-03T10:46:04Z",
    "title_canon_sha256": "d48e41a4b0cde81493d4e081af0c463fd3f47894d2b5522492a7f32e1f0e79f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04711",
    "kind": "arxiv",
    "version": 1
  }
}