Pith Number

pith:R7EY3KGR

pith:2023:R7EY3KGRMSGIIQ4MKUPFSDALCS

not attested not anchored not stored refs pending

Chandra's insights into SN 2023ixf

A. J. Nayana, Alak K Ray, Keiichi Maeda, Poonam Chandra, Roger A. Chevalier

arxiv:2311.04384 v2 · 2023-11-07 · 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{R7EY3KGRMSGIIQ4MKUPFSDALCS}

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 2023ixf: The Closest Supernova of the Decade

Receipt and verification

First computed	2026-07-05T07:42:43.249530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc98da8d1648c84438c551e590c0b14befb217b3fc909307fb5bed838c9699d

Aliases

arxiv: 2311.04384 · arxiv_version: 2311.04384v2 · doi: 10.48550/arxiv.2311.04384 · pith_short_12: R7EY3KGRMSGI · pith_short_16: R7EY3KGRMSGIIQ4M · pith_short_8: R7EY3KGR

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/R7EY3KGRMSGIIQ4MKUPFSDALCS \
  | 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: 8fc98da8d1648c84438c551e590c0b14befb217b3fc909307fb5bed838c9699d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4b1c000f45bc6c59d6a68db58b2958ca774753a1f5a5541ff1789f7e3f1a92b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-11-07T23:09:47Z",
    "title_canon_sha256": "61feec4c31a200bb2c756d712def3c593ce9c81b3d82ad307e8d105a2b49c540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.04384",
    "kind": "arxiv",
    "version": 2
  }
}