Pith Number

pith:72LNRUQS

pith:2025:72LNRUQSWW3Z5XHCIDA5ZVLECN

not attested not anchored not stored refs pending

Wind-fed Supermassive Black Hole Accretion by the Nuclear Star Cluster: the Case of M31*

Zhao Su, Zhiyuan Li, Zongnan Li

arxiv:2506.04778 v2 · 2025-06-05 · 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{72LNRUQSWW3Z5XHCIDA5ZVLECN}

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	2026-07-05T11:37:22.777296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe96d8d212b5b79edce240c1dcd5641363b138f5e0bb4d9f7da132529fbe60e5

Aliases

arxiv: 2506.04778 · arxiv_version: 2506.04778v2 · doi: 10.48550/arxiv.2506.04778 · pith_short_12: 72LNRUQSWW3Z · pith_short_16: 72LNRUQSWW3Z5XHC · pith_short_8: 72LNRUQS

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/72LNRUQSWW3Z5XHCIDA5ZVLECN \
  | 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: fe96d8d212b5b79edce240c1dcd5641363b138f5e0bb4d9f7da132529fbe60e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c40252893eb1d6a5053b4c6697e5e038ff74415071831cc09acf9800d43b3e7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-05T09:08:53Z",
    "title_canon_sha256": "d9a03cf5064831cf52a919b9ccaaf6d05ea3162b136190e24c5da127a2b38082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04778",
    "kind": "arxiv",
    "version": 2
  }
}