Pith Number

pith:O6Z7ZOFY

pith:2009:O6Z7ZOFYZTOA4BEZPJOC4UZXR6

not attested not anchored not stored refs pending

SN 2006bt: A Perplexing, Troublesome, and Possibly Misleading Type Ia Supernova

Alexei V. Filippenko, Gautham Narayan, Jeffrey M. Silverman, Peter J. Challis, Robert P. Kirshner, Ryan J. Foley, Thea N. Steele

arxiv:0912.0263 v1 · 2009-12-01 · 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{O6Z7ZOFYZTOA4BEZPJOC4UZXR6}

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	2026-05-18T02:34:02.745828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b3fcb8b8ccdc0e04997a5c2e53378fbb85f4f34ca21fe2d066f08c8f18712d

Aliases

arxiv: 0912.0263 · arxiv_version: 0912.0263v1 · doi: 10.48550/arxiv.0912.0263 · pith_short_12: O6Z7ZOFYZTOA · pith_short_16: O6Z7ZOFYZTOA4BEZ · pith_short_8: O6Z7ZOFY

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/O6Z7ZOFYZTOA4BEZPJOC4UZXR6 \
  | 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: 77b3fcb8b8ccdc0e04997a5c2e53378fbb85f4f34ca21fe2d066f08c8f18712d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d527b9029c83c63aa06bf014bb1648a32c986450e0f6f73039397914b275a004",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-01T21:00:06Z",
    "title_canon_sha256": "a2225975d3a74c82c9525eafbd0859eada1e7d2fc06d46240d8079fad61d7756"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0263",
    "kind": "arxiv",
    "version": 1
  }
}