Pith Number

pith:TKD347WX

pith:2026:TKD347WXTZGTG2B4YM2VRNHMS7

not attested not anchored not stored refs pending

Machine Learning Closure Audits for LSST Photometric Supernova Cosmology

Ayan Mitra

arxiv:2607.06734 v1 · 2026-07-07 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKD347WXTZGTG2B4YM2VRNHMS7}

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	2026-07-09T00:19:24.752577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a87be7ed79e4d33683cc33558b4ec97f9556f131b242d6f5828bd2c8785e282

Aliases

arxiv: 2607.06734 · arxiv_version: 2607.06734v1 · doi: 10.48550/arxiv.2607.06734 · pith_short_12: TKD347WXTZGT · pith_short_16: TKD347WXTZGTG2B4 · pith_short_8: TKD347WX

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/TKD347WXTZGTG2B4YM2VRNHMS7 \
  | 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: 9a87be7ed79e4d33683cc33558b4ec97f9556f131b242d6f5828bd2c8785e282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a0a183df931f184c8ca4a36317bb423fbe0fecf63e888493245edacd71554fc",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-07T19:00:23Z",
    "title_canon_sha256": "09b9a4ee58ac20b589a04b3db53a6d81a49a07a2610f3294bdd728ab201438a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06734",
    "kind": "arxiv",
    "version": 1
  }
}