Pith Number

pith:7E7DRYDR

pith:2012:7E7DRYDRGXJCVY7V5EJANE2Z2G

not attested not anchored not stored refs pending

The Extended Hubble Space Telescope Supernova Survey: The Rate of Core Collapse Supernovae to z~1

Adam G. Riess, Bahram Mobasher, Erkki Kankare, Louis-Gregory Strolger, Seppo Mattila, Tomas Dahlen

arxiv:1208.0342 v2 · 2012-08-01 · 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{7E7DRYDRGXJCVY7V5EJANE2Z2G}

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	2026-05-18T01:55:24.143887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f93e38e07135d22ae3f5e912069359d189838074c0274ae7a491210cbdf7ef42

Aliases

arxiv: 1208.0342 · arxiv_version: 1208.0342v2 · doi: 10.48550/arxiv.1208.0342 · pith_short_12: 7E7DRYDRGXJC · pith_short_16: 7E7DRYDRGXJCVY7V · pith_short_8: 7E7DRYDR

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/7E7DRYDRGXJCVY7V5EJANE2Z2G \
  | 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: f93e38e07135d22ae3f5e912069359d189838074c0274ae7a491210cbdf7ef42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a32a94eb039d3bf9db87c0313c7bcb71580228bdc8c6774ada36317b1bfb72a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-01T20:00:05Z",
    "title_canon_sha256": "cb64956a95f87ca1ee2cb5cbe870a1681e69855c5e5932c3043709a1612d2fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0342",
    "kind": "arxiv",
    "version": 2
  }
}