Pith Number

pith:JDDLEVAI

pith:2012:JDDLEVAIQIRCNHMTW5PEB3GNLP

not attested not anchored not stored refs pending

Direct Determination of Hubble Parameter Using Type IIn Supernovae

Alexander Dolgov, Marat Potashov, Petr Baklanov, Sergei Blinnikov

arxiv:1207.6914 v2 · 2012-07-30 · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDDLEVAIQIRCNHMTW5PEB3GNLP}

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	2026-05-18T01:56:06.117062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48c6b254088222269d93b75e40eccd5bc539d97f1b83832f1f2a8e1456a75e0e

Aliases

arxiv: 1207.6914 · arxiv_version: 1207.6914v2 · doi: 10.48550/arxiv.1207.6914 · pith_short_12: JDDLEVAIQIRC · pith_short_16: JDDLEVAIQIRCNHMT · pith_short_8: JDDLEVAI

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/JDDLEVAIQIRCNHMTW5PEB3GNLP \
  | 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: 48c6b254088222269d93b75e40eccd5bc539d97f1b83832f1f2a8e1456a75e0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "573f5a67c450896e33ca6e094cfdcf209f2a38fe79eefae82ec14e33ed4670c3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-30T12:28:07Z",
    "title_canon_sha256": "aaa02c21f8381f66546507a6c46cfa8c7a6d5a2566f8f001d6e4696d089bd9cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6914",
    "kind": "arxiv",
    "version": 2
  }
}