Pith Number

pith:TMZ32MJ4

pith:2015:TMZ32MJ4UZF3YVBWF5EVFRVCTT

not attested not anchored not stored refs pending

The $m$-$z$ relation for Type Ia supernovae: safety in numbers or safely without worry?

Phillip Helbig

arxiv:1508.05544 v1 · 2015-08-22 · 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{TMZ32MJ4UZF3YVBWF5EVFRVCTT}

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	2026-05-18T01:32:59.126063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b33bd313ca64bbc54362f4952c6a29cf619eeb5d228f0ae7fc92b960bef0a25

Aliases

arxiv: 1508.05544 · arxiv_version: 1508.05544v1 · doi: 10.48550/arxiv.1508.05544 · pith_short_12: TMZ32MJ4UZF3 · pith_short_16: TMZ32MJ4UZF3YVBW · pith_short_8: TMZ32MJ4

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/TMZ32MJ4UZF3YVBWF5EVFRVCTT \
  | 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: 9b33bd313ca64bbc54362f4952c6a29cf619eeb5d228f0ae7fc92b960bef0a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd966b5b1e395568e1556ed2790d1c15c842253f68f7a2f2e00ff17fc4a9eee4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-08-22T19:36:44Z",
    "title_canon_sha256": "a6fa12c9634684d4c1c19929f32a32be5ec04a8734e266bc79740dc209205917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05544",
    "kind": "arxiv",
    "version": 1
  }
}