Pith Number

pith:HA5NMN7C

pith:2010:HA5NMN7CE4XBAQN45ITVP7K4ZF

not attested not anchored not stored refs pending

Measuring Ejecta Velocity Improves Type Ia Supernova Distances

Daniel Kasen, Ryan J. Foley

arxiv:1011.4517 v1 · 2010-11-19 · 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{HA5NMN7CE4XBAQN45ITVP7K4ZF}

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	2026-05-18T02:04:43.216132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383ad637e2272e1041bcea2757fd5cc96b760b41dbd25e088637ab59673d21fe

Aliases

arxiv: 1011.4517 · arxiv_version: 1011.4517v1 · doi: 10.48550/arxiv.1011.4517 · pith_short_12: HA5NMN7CE4XB · pith_short_16: HA5NMN7CE4XBAQN4 · pith_short_8: HA5NMN7C

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/HA5NMN7CE4XBAQN45ITVP7K4ZF \
  | 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: 383ad637e2272e1041bcea2757fd5cc96b760b41dbd25e088637ab59673d21fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1abf9df7887371432f5f7cda4b066423a016eae0e30b11c5cbf1abcb4c9c528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-19T21:00:01Z",
    "title_canon_sha256": "a023b2880988f35aed91afd7e2a638adf54c11332f74d6677f1f3f4f92b11368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4517",
    "kind": "arxiv",
    "version": 1
  }
}