Pith Number

pith:6XR4IP4M

pith:2025:6XR4IP4MB3UCV72DQERFLGST2F

not attested not anchored not stored refs pending

Long-rising Type II supernovae resembling supernova 1987A -- II. A new analytical model to describe these events

M. L. Pumo, S. P. Cosentino

arxiv:2502.09752 v1 · 2025-02-13 · 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{6XR4IP4MB3UCV72DQERFLGST2F}

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	2026-07-05T10:17:17.105991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e3c43f8c0ee82aff438122559a53d142e43120dbc53a320c6b2682a7f27eee

Aliases

arxiv: 2502.09752 · arxiv_version: 2502.09752v1 · doi: 10.48550/arxiv.2502.09752 · pith_short_12: 6XR4IP4MB3UC · pith_short_16: 6XR4IP4MB3UCV72D · pith_short_8: 6XR4IP4M

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/6XR4IP4MB3UCV72DQERFLGST2F \
  | 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: f5e3c43f8c0ee82aff438122559a53d142e43120dbc53a320c6b2682a7f27eee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2df343f6f789590728fcc1d08dcd3770ff0afd05fb182c3dea2a254c75ad508f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-13T20:14:01Z",
    "title_canon_sha256": "651f0016095f16ba99a1887e82c2367b958ced5c135cf376e22f2553baf33f89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09752",
    "kind": "arxiv",
    "version": 1
  }
}