Pith Number

pith:4IQBORJB

pith:2005:4IQBORJB6YFBDSMYOSJL4YOXTO

not attested not anchored not stored refs pending

Late-time X-Ray, UV and Optical Monitoring of Supernova 1979C

Bernd Aschenbach, David Pooley, Gwen C. Rudie, Kurt W. Weiler, Molly C. Hammell, Robert A. Fesen, Robert Petre, Schuyler D. Van Dyk, Stefan Immler, Walter H. G. Lewin, Wolfgang Pietsch

arxiv:astro-ph/0503678 v1 · 2005-03-30 · 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{4IQBORJB6YFBDSMYOSJL4YOXTO}

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	2026-07-04T16:51:49.868909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e220174521f60a11c9987492be61d79b9ae2169b4dc3f31064f2b2eae2101cb5

Aliases

arxiv: astro-ph/0503678 · arxiv_version: astro-ph/0503678v1 · doi: 10.48550/arxiv.astro-ph/0503678 · pith_short_12: 4IQBORJB6YFB · pith_short_16: 4IQBORJB6YFBDSMY · pith_short_8: 4IQBORJB

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/4IQBORJB6YFBDSMYOSJL4YOXTO \
  | 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: e220174521f60a11c9987492be61d79b9ae2169b4dc3f31064f2b2eae2101cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "204fed00515481d5b5503c03e2eef9c307412c63bf38631a50989cdce4df65bf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-30T21:21:41Z",
    "title_canon_sha256": "4062714b9d06dfab219291209fe55385374aff27b65e01c4e78f16b55e2dc545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503678",
    "kind": "arxiv",
    "version": 1
  }
}