Pith Number

pith:M2YENZP5

pith:1995:M2YENZP5H2J4PR43QUYSUEXJY6

not attested not anchored not stored refs pending

SN 1986E eight years after outburst: a link to SN 1957D?

Enrico Cappellaro, John I. Danziger, Massimo Turatto

arxiv:astro-ph/9505046 v2 · 1995-05-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2YENZP5H2J4PR43QUYSUEXJY6}

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	2026-05-18T01:40:23.450674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66b046e5fd3e93c7c79b85312a12e9c7a241d6662959bbfeff1b00c1789abbe8

Aliases

arxiv: astro-ph/9505046 · arxiv_version: astro-ph/9505046v2 · doi: 10.48550/arxiv.astro-ph/9505046 · pith_short_12: M2YENZP5H2J4 · pith_short_16: M2YENZP5H2J4PR43 · pith_short_8: M2YENZP5

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/M2YENZP5H2J4PR43QUYSUEXJY6 \
  | 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: 66b046e5fd3e93c7c79b85312a12e9c7a241d6662959bbfeff1b00c1789abbe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d094aaba1b9179b9aa97791007a45eb7f92a2a6fe3754e0eb8b3b1f5b36ad56d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-05-10T09:18:36Z",
    "title_canon_sha256": "7942e604cde850e35782f04553dd7fd4db76bd8e9795b7f9fab8aed69eb47eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9505046",
    "kind": "arxiv",
    "version": 2
  }
}