Pith Number

pith:DOAV7OMP

pith:2011:DOAV7OMP2RQQKLLJ7YVTZHWJI2

not attested not anchored not stored refs pending

The Type II supernovae 2006V and 2006au: two SN 1987A-like events

A. Pastorello, C. Fransson, F. Taddia, G. Folatelli, J. P. Anderson, J. Sollerman, M. D. Stritzinger, M. Ergon, M. Hamuy, M. M. Phillips, N. Morrell, S. E. Persson, S. Gonzalez, W. Freedman

arxiv:1111.2509 v1 · 2011-11-10 · astro-ph.CO · 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{DOAV7OMP2RQQKLLJ7YVTZHWJI2}

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	2026-05-18T01:59:42.543512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b815fb98fd461052d69fe2b3c9ec9469d65aa5cf9746245832f98a9bef8a698

Aliases

arxiv: 1111.2509 · arxiv_version: 1111.2509v1 · doi: 10.48550/arxiv.1111.2509 · pith_short_12: DOAV7OMP2RQQ · pith_short_16: DOAV7OMP2RQQKLLJ · pith_short_8: DOAV7OMP

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/DOAV7OMP2RQQKLLJ7YVTZHWJI2 \
  | 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: 1b815fb98fd461052d69fe2b3c9ec9469d65aa5cf9746245832f98a9bef8a698

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84dd863e4972e8dbb47f2ebf4b0336bab34d37516b29a2b52ce25d78553d5159",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-10T16:18:20Z",
    "title_canon_sha256": "ea863ca03e697a29aab247576639208dc1f06082a86870d882cbaeb09a11bd1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2509",
    "kind": "arxiv",
    "version": 1
  }
}