Pith Number

pith:ZORY7I2G

pith:2025:ZORY7I2GSPQZ5YNZRJDLPCLZ42

not attested not anchored not stored refs pending

Optical and X-ray timing analysis of the 2018-2020 outburst and rebrightening of the black-hole transient MAXI J1820+070

A. Burtovoi, A.M. Zubareva, A. Vagnozzi, A.V. Zharova, E.A. Barsukova, E.G. Sheyanov, F. Manzini, G. Naletto, L. Zampieri, M.A. Burlak, M. Fiori, N.A. Katysheva, N.P. Ikonnikova, P. Ochner, S.E. Motta, S.Yu. Shugarov, U. Munari, V.P. Goranski

arxiv:2504.06001 v1 · 2025-04-08 · 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{ZORY7I2GSPQZ5YNZRJDLPCLZ42}

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	2026-07-05T11:06:12.812744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cba38fa34693e19ee1b98a46b78979e6a9d35a0c71fdf786be4d13ffbcc0809e

Aliases

arxiv: 2504.06001 · arxiv_version: 2504.06001v1 · doi: 10.48550/arxiv.2504.06001 · pith_short_12: ZORY7I2GSPQZ · pith_short_16: ZORY7I2GSPQZ5YNZ · pith_short_8: ZORY7I2G

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/ZORY7I2GSPQZ5YNZRJDLPCLZ42 \
  | 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: cba38fa34693e19ee1b98a46b78979e6a9d35a0c71fdf786be4d13ffbcc0809e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb3067396638a09cb12764f8b284f0990c9f528d5392eb3095ea1b2a3d2405e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-08T13:09:56Z",
    "title_canon_sha256": "afbd6b1675ca4c327f0ed230794dc2d07af37c8135b24eddb2a7e1687193ab5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06001",
    "kind": "arxiv",
    "version": 1
  }
}