Pith Number

pith:MQ3I7X66

pith:2022:MQ3I7X66JZIMRGGQM66IFZ2JKF

not attested not anchored not stored refs pending

Observations of the luminous red nova AT 2021biy in the nearby galaxy NGC 4631

A. Gangopadhyay, A. M. Tatarnikov, A. Pastorello, A. Reguitti, A. V. Filippenko, C.-C. Lin, C. McCully, C. P. Guti\'errez, D. A. Howell, D. Hiramatsu, D. V. Oparin, E. A. Barsukova, E. A. Magnier, E. A. Malygin, E. Cappellaro, E. Kankare, E. Padilla Gonzalez, G. Terreran, G. Valerin, H. F. Stevance, H. Gao, H. Lin, H.-W. Ge, I. Salmaso, J. Burke, J.-J. Zhang, J. Mo, K. C. Chambers, K. C. Patra, K. E. Atapin, K. Matilainen, K. Misra, K. W. Smith, L. Galbany, L. Tartaglia, L. Xiao, M. D. Stritzinger, M. E. Huber, M. Fraser, M. Fulton, M. Newsome, N. A. Maslennikova, N. Elias-Rosa, N. Emami, N. I. Shatsky, O. V. Vozyakova, P. A. Mazzali, P. J. Vallely, P. L. Kelly, P. Lundqvist, R. Byrne, R. Dastidar, R. I. Uklein, R. Kotak, R. Wainscoat, S. Benetti, S. Bose, S. G. Zheltoukhov, S. J. Smartt, S. Moran, S.-Y. Yan, T. G. Brink, T. J. L. de Boer, T. Kravtsov, T. M. Reynolds, T.-M. Zhang, V. P. Goranskij, V. Yu. Lander, W.-L. Chen, W. Zheng, X.-F. Wang, X.-H. Zhang, Y. Yang, Y.-Z. Cai, Z.-T. Li, Z.-W. Ou

arxiv:2207.00734 v2 · 2022-07-02 · astro-ph.SR · astro-ph.GA · 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{MQ3I7X66JZIMRGGQM66IFZ2JKF}

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

1 paper in Pith

SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope

Receipt and verification

First computed	2026-07-05T05:12:13.278986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64368fdfde4e50c898d067bc82e749516c392c2fa7c480150d905a659dcdf06c

Aliases

arxiv: 2207.00734 · arxiv_version: 2207.00734v2 · doi: 10.48550/arxiv.2207.00734 · pith_short_12: MQ3I7X66JZIM · pith_short_16: MQ3I7X66JZIMRGGQ · pith_short_8: MQ3I7X66

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/MQ3I7X66JZIMRGGQM66IFZ2JKF \
  | 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: 64368fdfde4e50c898d067bc82e749516c392c2fa7c480150d905a659dcdf06c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88195b853b83b3bbf7be203390141366280bd815e459d0924c6e0796321f61c1",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-07-02T04:21:22Z",
    "title_canon_sha256": "d2763df2cf96e44634e585d8882e0f2325a035d5e03339954b3e597aeed85aa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.00734",
    "kind": "arxiv",
    "version": 2
  }
}