Pith Number

pith:MLH5UXQG

pith:2018:MLH5UXQGHUXJQYX3KSHTZRI5SK

not attested not anchored not stored refs pending

Relativistic supernova 2009bb exploded close to an atomic gas cloud

A. de Ugarte Postigo, A. Nicuesa Guelbenzu, A. Rossi, E. Le Floc'h, E. Palazzi, G. Gentile, H. Kuncarayakti, IfA Edinburgh), J. Elliott, J. Greiner, J. Hjorth, J. Rasmussen, L. Galbany, L. K. Hunt, Micha{\l} J. Micha{\l}owski (AMU Poznan, M. P. Koprowski, P. Kamphuis, P. van der Werf, S. Berta, S. D. Vergani, S. Savaglio, T. Kruhler, V. D'Elia

arxiv:1808.00977 v1 · 2018-08-02 · 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{MLH5UXQGHUXJQYX3KSHTZRI5SK}

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	2026-05-18T00:02:31.409027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62cfda5e063d2e9862fb548f3cc51d9285c433d9666e91599bcdb9c7bf294b50

Aliases

arxiv: 1808.00977 · arxiv_version: 1808.00977v1 · doi: 10.48550/arxiv.1808.00977 · pith_short_12: MLH5UXQGHUXJ · pith_short_16: MLH5UXQGHUXJQYX3 · pith_short_8: MLH5UXQG

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/MLH5UXQGHUXJQYX3KSHTZRI5SK \
  | 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: 62cfda5e063d2e9862fb548f3cc51d9285c433d9666e91599bcdb9c7bf294b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c50d633f42a098afbfbd58c5bffa845853af76ed054dd69a42378b99574144b2",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-02T18:04:40Z",
    "title_canon_sha256": "2de65f4c1d7958d84fc7f9d0a988b64f7ca8b141ced3f439ea92048db526f476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00977",
    "kind": "arxiv",
    "version": 1
  }
}