Pith Number

pith:ZH27KWVY

pith:2012:ZH27KWVYJ7BT77F3D2DNFIAMBI

not attested not anchored not stored refs pending

The Usefulness of Type Ia Supernovae for Cosmology - a Personal Review

Kevin Krisciunas

arxiv:1205.6835 v1 · 2012-05-30 · 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{ZH27KWVYJ7BT77F3D2DNFIAMBI}

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	2026-05-18T03:54:36.781385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f5f55ab84fc33ffcbb1e86d2a00c0a3191818327fe7a597f2de1d25485d3bb

Aliases

arxiv: 1205.6835 · arxiv_version: 1205.6835v1 · doi: 10.48550/arxiv.1205.6835 · pith_short_12: ZH27KWVYJ7BT · pith_short_16: ZH27KWVYJ7BT77F3 · pith_short_8: ZH27KWVY

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/ZH27KWVYJ7BT77F3D2DNFIAMBI \
  | 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: c9f5f55ab84fc33ffcbb1e86d2a00c0a3191818327fe7a597f2de1d25485d3bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2d28fd7b130bbeefb3f645582064ba00f168abdef11381adaf92d5aa3384d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-30T21:13:46Z",
    "title_canon_sha256": "7cfa420d62b59c6628dfe7be02c7a6c14a8035c1ebc69cae6a4dde215df70d95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6835",
    "kind": "arxiv",
    "version": 1
  }
}