Pith Number

pith:D2OSAKUC

pith:2002:D2OSAKUCPSR6KUQKX6DV5HRVRM

not attested not anchored not stored refs pending

A Population of Intergalactic Supernovae in Galaxy Clusters

Alexei V. Filippenko, Avishay Gal-Yam, Dan Maoz, Puragra Guhathakurta

arxiv:astro-ph/0211334 v1 · 2002-11-14 · 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{D2OSAKUCPSR6KUQKX6DV5HRVRM}

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	2026-07-04T16:31:09.598245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9d202a827ca3e5520abf875e9e358b273d74360472eb48b52e3337518952ef

Aliases

arxiv: astro-ph/0211334 · arxiv_version: astro-ph/0211334v1 · doi: 10.48550/arxiv.astro-ph/0211334 · pith_short_12: D2OSAKUCPSR6 · pith_short_16: D2OSAKUCPSR6KUQK · pith_short_8: D2OSAKUC

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/D2OSAKUCPSR6KUQKX6DV5HRVRM \
  | 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: 1e9d202a827ca3e5520abf875e9e358b273d74360472eb48b52e3337518952ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ad79d78b767639e95800a3e303458951ffcb54661b29e0587553008b1e46ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-14T17:37:44Z",
    "title_canon_sha256": "95e2be3f6238a8ca550507646086c32dc72fbf31a7a2b9b8815d5c80f3192874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211334",
    "kind": "arxiv",
    "version": 1
  }
}