Pith Number

pith:QY5U2PTP

pith:2025:QY5U2PTPL6Q3MSNGH24UEFPAFZ

not attested not anchored not stored refs pending

EP241021a: a months-duration X-ray transient with luminous optical and radio emission

Aguado David S., Andrews Moira, An Fangxia, An Jie, An Tao, Anutarawiramkul Rungrit, Baldini Pietro, Brink Thomas G., Butpa Pathompong, Cai Zhiming, Castro-Tirado Alberto J., Cheng Huaqing, Chen Jinhong, Cui WeiWei, Dai Lixin, Ding Hucheng, Eyles-Ferris Rob A. J., Farah Joseph, Fern\'andez-Nespral David L\'opez, Filippenko Alexei V., Fu Shaoyu, Gao Xing, Han DaWei, Han Xuhui, Howell D. Andrew, Hu Jingwei, Jiang Ning, Jiang Shuaiqing, Jin Chichuan, Johan P.U. Fynbo, Kumar Amit, Lei WeiHua, Li ChengKui, Li Dongyue, Liu Huaqiu, Liu Xing, Liu Yuan, Li Wenxiong, L\'opez-Oramas Alicia, Maund Justyn R., McCully Curtis, Nandra Kirpal, Newsome Megan, Niu Zexi, Padilla Gonzalez Estefania, Pan Haiwu, Paul O'Brien, P\'erez-Fournon Ismael, Poidevin Fr\'ed\'erick, Rau Arne, Shen Rongfeng, Shu Xinwen, Silim Walter, Soria Roberto, Sun Hui, Sun Luming, Sun Ningchen, Sun Shengli, Sun Xiaojin, Terreran Giacomo, Tinyanont Samaporn, Wang Junxian, Wang Tinggui, Wang Yanan, Wang Yun, Wiersema Klass, Wu Xuefeng, Xu Dong, Xue Yongquan, Xu Fan, Xu Yunfei, Yang Haonan, Yang Lei, Yuan Weimin, Yu Yunwei, Zhang Bing, Zhang Fabao, Zhang Juan, Zhang Pinpin, Zhang Wenda, Zhang Yonghe, Zhang Zhumao, Zhao Haisheng, Zheng Weikang, Zhu Zipei

arxiv:2505.07665 v2 · 2025-05-12 · 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{QY5U2PTPL6Q3MSNGH24UEFPAFZ}

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

4 papers in Pith

Multi-wavelength Constraints on the Transient EP250905a

Discovery of a Supernova Following the Einstein Probe Transient EP250302a at z = 1.131

In-flight calibration of the Wide-field X-ray Telescope on board the Einstein Probe

A Unified Model for the Emission of Supernova-Associated Fast X-ray Transients: Case Studies of EP240414a, EP250108a, and GRB~171205A

Receipt and verification

First computed	2026-07-05T12:06:12.202294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863b4d3e6f5fa1b649a63eb94215e02e5ea0d3c651257042d6219877cd00913d

Aliases

arxiv: 2505.07665 · arxiv_version: 2505.07665v2 · doi: 10.48550/arxiv.2505.07665 · pith_short_12: QY5U2PTPL6Q3 · pith_short_16: QY5U2PTPL6Q3MSNG · pith_short_8: QY5U2PTP

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/QY5U2PTPL6Q3MSNGH24UEFPAFZ \
  | 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: 863b4d3e6f5fa1b649a63eb94215e02e5ea0d3c651257042d6219877cd00913d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e56aa3d3fbf8327d56b12d038dc7e14442fb9d7e00c6cfca89011856c7b3491",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-12T15:31:21Z",
    "title_canon_sha256": "7348ac52ecc0a10f1551e18d0173e402d80b3e33000985ff11ffe821860063c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.07665",
    "kind": "arxiv",
    "version": 2
  }
}