Pith Number

pith:43NDA3CU

pith:2019:43NDA3CUMMQYLNA55HFVXVMUGW

not attested not anchored not stored refs pending

Machine Learning and the future of Supernova Cosmology

Emille E. O. Ishida

arxiv:1908.02315 v1 · 2019-08-06 · astro-ph.IM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43NDA3CUMMQYLNA55HFVXVMUGW}

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	2026-07-04T23:52:07.380968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6da306c54632185b41de9cb5bd594359442dc991354a2c3e8576357b1733031

Aliases

arxiv: 1908.02315 · arxiv_version: 1908.02315v1 · doi: 10.48550/arxiv.1908.02315 · pith_short_12: 43NDA3CUMMQY · pith_short_16: 43NDA3CUMMQYLNA5 · pith_short_8: 43NDA3CU

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/43NDA3CUMMQYLNA55HFVXVMUGW \
  | 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: e6da306c54632185b41de9cb5bd594359442dc991354a2c3e8576357b1733031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ebe13812e539b2138191023bbb2337b3bdcd85616443395e67d9be749ed6b4b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-06T18:31:43Z",
    "title_canon_sha256": "662890f572ba0ce01786a50b8b4067a22c141e1b1f245d120ba9f0d0de244dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02315",
    "kind": "arxiv",
    "version": 1
  }
}