Pith Number

pith:FUYN2CS2

pith:2026:FUYN2CS2X2OEHWB4YROFHYZT3Y

not attested not anchored not stored refs pending

Identifying Observational Signatures of Flux Eruption Events in Supermassive Black Hole Accretion Flows with Machine Learning

Angelo Ricarte, Erandi Chavez, Franc O, Pavlos Protopapas

arxiv:2606.28603 v1 · 2026-06-26 · 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{FUYN2CS2X2OEHWB4YROFHYZT3Y}

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	2026-06-30T00:15:20.334114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d30dd0a5abe9c43d83cc45c53e333de17592d83a2bfe45e07495f53dfb7c8b3

Aliases

arxiv: 2606.28603 · arxiv_version: 2606.28603v1 · doi: 10.48550/arxiv.2606.28603 · pith_short_12: FUYN2CS2X2OE · pith_short_16: FUYN2CS2X2OEHWB4 · pith_short_8: FUYN2CS2

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/FUYN2CS2X2OEHWB4YROFHYZT3Y \
  | 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: 2d30dd0a5abe9c43d83cc45c53e333de17592d83a2bfe45e07495f53dfb7c8b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e49f8fbf010c7885ec596454898241cac87759a88e323202206e18a09e0cc43",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-26T20:50:39Z",
    "title_canon_sha256": "068e1c93b4e87f31cfcf089fb845382fc013a4ae58d7946837444f02cede41b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28603",
    "kind": "arxiv",
    "version": 1
  }
}