Pith Number

pith:GB4VEDO4

pith:2026:GB4VEDO4HRVULYIF7OVFGX54Z6

not attested not anchored not stored refs pending

The spectral state transition of Mkn 590, a potential link between AGNs and X-ray binaries?

A. Borkar, A. G. Markowitz, A. Rozanska, B. Palit, D. Lawther, G. Walsh, J. J. Ruan, K. X. Lu, M. Sniegowska, M. Vestergaard, T. Saha

arxiv:2602.17572 v2 · 2026-02-19 · 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{GB4VEDO4HRVULYIF7OVFGX54Z6}

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.

Cited by

2 papers in Pith

A magnetically-supported disk-corona model for Changing-Look AGN transitions

Directly tracking the re-brightening of a supermassive black hole accretion disk

Receipt and verification

First computed	2026-06-09T02:08:39.650717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3079520ddc3c6b45e105fbaa535fbccfbbc086c805ef0456418fb1524e2539ce

Aliases

arxiv: 2602.17572 · arxiv_version: 2602.17572v2 · doi: 10.48550/arxiv.2602.17572 · pith_short_12: GB4VEDO4HRVU · pith_short_16: GB4VEDO4HRVULYIF · pith_short_8: GB4VEDO4

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/GB4VEDO4HRVULYIF7OVFGX54Z6 \
  | 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: 3079520ddc3c6b45e105fbaa535fbccfbbc086c805ef0456418fb1524e2539ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "857f8c09e0725687d6fda41e57270942de935810f3cbce6fa517febc47f6f8bc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-02-19T17:28:19Z",
    "title_canon_sha256": "227d8de865437b21657ff628976e15cff06b7e750e506d498f40dfccd3914210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17572",
    "kind": "arxiv",
    "version": 2
  }
}