Pith Number

pith:EWSTXQQV

pith:2026:EWSTXQQVO76GBGG5CJH5IVUUIK

not attested not anchored not stored refs pending

The Distinctive Evolution and Spectral Energy Distribution of Binary Massive Black Hole Accretion

Fu-Guo Xie, Luis C. Ho, Ya-Ping Li, Yinhao Wu, Yue Xu

arxiv:2607.21956 v1 · 2026-07-24 · 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{EWSTXQQVO76GBGG5CJH5IVUUIK}

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	2026-07-27T00:20:29.709568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a53bc21577fc6098dd124fd45694429daa0fada93a423983080b902135a0f3

Aliases

arxiv: 2607.21956 · arxiv_version: 2607.21956v1 · doi: 10.48550/arxiv.2607.21956 · pith_short_12: EWSTXQQVO76G · pith_short_16: EWSTXQQVO76GBGG5 · pith_short_8: EWSTXQQV

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/EWSTXQQVO76GBGG5CJH5IVUUIK \
  | 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: 25a53bc21577fc6098dd124fd45694429daa0fada93a423983080b902135a0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8da3b0263e247276c4ace2c1acb13bf7323d5387ea28c2b5dea6de65f5e3a28",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-24T04:09:47Z",
    "title_canon_sha256": "d15df24e891316ef50ff11ff8d4a7eaf52ebfc917f457124ff9ad3ef4cf940d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21956",
    "kind": "arxiv",
    "version": 1
  }
}