Pith Number

pith:QJLT4LBW

pith:2009:QJLT4LBWDBLWL3PH4FU2EA5XLB

not attested not anchored not stored refs pending

A low energy core-collapse supernova without a hydrogen envelope

(10) INAF-OAT Trieste, (11) INAC-OACT Catania), (2) INAF-OAPD Padova, 3), (3) MPA Garching, (4) Begues Observatory Barcellona, (5) Caltech Pasadena, (6) Arguines Observatory Segorbe, 7), (7) TNG Santa Cruz de la Palma, (8) Taurus Hill Observatory Kangaslampi, 9), (9) Tuorla Observatory Piikkio, Andrea Pastorello (1), Avet Harutyunyan (2, Elena Pian (10), Enrico Cappellaro (2), Jose Manteca (4), Luca Zampieri (2), Markku Nissinen (8), Massimo Turatto (11), Nancy Elias-Rosa (5), Paolo Mazzali (2, Rafael Ferrando (6), Stefano Benetti (2), Stefano Valenti (1), Stefan Taubenberger (3), Stephen J. Smartt (1). ((1) Queen's University Belfast, Veli-Pekka Hentunen (8

arxiv:0901.2074 v2 · 2009-01-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJLT4LBWDBLWL3PH4FU2EA5XLB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:35:06.499011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82573e2c36185765ede7e169a203b7586cdd8257de8a8cb0b7f69f4a0832d330

Aliases

arxiv: 0901.2074 · arxiv_version: 0901.2074v2 · doi: 10.48550/arxiv.0901.2074 · pith_short_12: QJLT4LBWDBLW · pith_short_16: QJLT4LBWDBLWL3PH · pith_short_8: QJLT4LBW

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/QJLT4LBWDBLWL3PH4FU2EA5XLB \
  | 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: 82573e2c36185765ede7e169a203b7586cdd8257de8a8cb0b7f69f4a0832d330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be39578fdc0b9a91cc59f09fcb78867d79c4ff188581efa35a9a0e51ed57bf2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-14T18:01:17Z",
    "title_canon_sha256": "86f8bf645e156302977da79e9c1ec877f16fcb950078c626fdce99be2dd7d596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2074",
    "kind": "arxiv",
    "version": 2
  }
}