Pith Number

pith:3SYAEMYT

pith:2009:3SYAEMYT7LVH45DMYDHFBMVDGH

not attested not anchored not stored refs pending

Seeing the Collision of a Supernova with its Companion Star

Daniel Kasen

arxiv:0909.0275 v1 · 2009-09-02 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SYAEMYT7LVH45DMYDHFBMVDGH}

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

3 papers in Pith

Late-time evolution of the interacting stripped-envelope supernova 2017dio

GIGA-Lens 2.0: Strong-Lens Modeling on Multiple GPU Nodes

EP260321a/SN 2026gzf: The Faintest Shock Breakout Associated with a Broad-Lined Supernova

Receipt and verification

First computed	2026-05-18T02:34:36.850219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb0023313faea7e746cc0ce50b2a331ee2c5cbb4e7d58f0d6d62ecdb1e498d1

Aliases

arxiv: 0909.0275 · arxiv_version: 0909.0275v1 · doi: 10.48550/arxiv.0909.0275 · pith_short_12: 3SYAEMYT7LVH · pith_short_16: 3SYAEMYT7LVH45DM · pith_short_8: 3SYAEMYT

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/3SYAEMYT7LVH45DMYDHFBMVDGH \
  | 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: dcb0023313faea7e746cc0ce50b2a331ee2c5cbb4e7d58f0d6d62ecdb1e498d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd0019cf8e35e82c4e61b5021b247b872658dbffe496b782051f37bcf1fdb5e9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-02T02:47:12Z",
    "title_canon_sha256": "e1c069818f1e864d276c173502d1c2608d126e9d7a64caaae5282ce88ce7a888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0275",
    "kind": "arxiv",
    "version": 1
  }
}