Pith Number

pith:VGFTNI6N

pith:2023:VGFTNI6NVXIQXOWYGTGSBB3TX4

not attested not anchored not stored refs pending

Further evidence that galaxy age drives observed type Ia supernova luminosity differences

B. Popovic, M. Smith, M. Sullivan, P. Wiseman

arxiv:2302.05341 v1 · 2023-02-10 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGFTNI6NVXIQXOWYGTGSBB3TX4}

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	2026-07-05T05:44:15.500549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98b36a3cdadd10bbad834cd208773bf37fc6713385ad3bc8a0926a0d7672fa6

Aliases

arxiv: 2302.05341 · arxiv_version: 2302.05341v1 · doi: 10.48550/arxiv.2302.05341 · pith_short_12: VGFTNI6NVXIQ · pith_short_16: VGFTNI6NVXIQXOWY · pith_short_8: VGFTNI6N

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/VGFTNI6NVXIQXOWYGTGSBB3TX4 \
  | 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: a98b36a3cdadd10bbad834cd208773bf37fc6713385ad3bc8a0926a0d7672fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "413c49a1f54566776d0ed087603df482ab65c4a1493578d06827c6fbeb7889ea",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-10T15:53:09Z",
    "title_canon_sha256": "2f2078414eb4d2a01a76d1015ae2dcf430bb38bb9c536b89680f0d3df8a7e9a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.05341",
    "kind": "arxiv",
    "version": 1
  }
}