Pith Number

pith:6BMJ3Q2N

pith:2023:6BMJ3Q2NJZTAYUJYR4UTPAPPDP

not attested not anchored not stored refs pending

The Dusty and Extremely Red Progenitor of the Type II Supernova 2023ixf in Messier 101

Danfeng Xiang, Han Lin, Jujia Zhang, Jun Mo, Lifan Wang, Lingzhi Wang, Xiaofeng Wang

arxiv:2309.01389 v2 · 2023-09-04 · astro-ph.SR · 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{6BMJ3Q2NJZTAYUJYR4UTPAPPDP}

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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 2023ixf: The Closest Supernova of the Decade

Receipt and verification

First computed	2026-07-05T07:20:10.415258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0589dc34d4e660c51388f293781ef1bf8839d91543fb53e7e448e71abf5b2b6

Aliases

arxiv: 2309.01389 · arxiv_version: 2309.01389v2 · doi: 10.48550/arxiv.2309.01389 · pith_short_12: 6BMJ3Q2NJZTA · pith_short_16: 6BMJ3Q2NJZTAYUJY · pith_short_8: 6BMJ3Q2N

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/6BMJ3Q2NJZTAYUJYR4UTPAPPDP \
  | 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: f0589dc34d4e660c51388f293781ef1bf8839d91543fb53e7e448e71abf5b2b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31a574f5f7bf56fcabbfba9bcbbddf9235135e61c8959608278f660f86e11c58",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-09-04T06:40:27Z",
    "title_canon_sha256": "47504d7a544091ab368fe4638b70c617c178f3877aa2804f9717dbce5392f579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.01389",
    "kind": "arxiv",
    "version": 2
  }
}