Pith Number

pith:6JQM627B

pith:1999:6JQM627BJWJXKV24B2QTL3S6TD

not attested not anchored not stored refs pending

The Risetime of Nearby Type Ia Supernovae

Adam G. Riess, Alexei V. Filippenko, Brian P. Schmidt, Chuck Faranda, Eric Thouvenot, Jingyao Hu, Mark Armstrong, Richard R. Treffers, Weidong Li, Yulei Qiu

arxiv:astro-ph/9907037 v1 · 1999-07-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JQM627BJWJXKV24B2QTL3S6TD}

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	2026-07-04T23:57:18.132302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f260cf6be14d9375575c0ea135ee5e98d0dd49eb5ea688e8ac76761a6269f08d

Aliases

arxiv: astro-ph/9907037 · arxiv_version: astro-ph/9907037v1 · doi: 10.48550/arxiv.astro-ph/9907037 · pith_short_12: 6JQM627BJWJX · pith_short_16: 6JQM627BJWJXKV24 · pith_short_8: 6JQM627B

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/6JQM627BJWJXKV24B2QTL3S6TD \
  | 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: f260cf6be14d9375575c0ea135ee5e98d0dd49eb5ea688e8ac76761a6269f08d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f867f6680ba943bd28983953f7eb861d38f049e1ce12f7b34ce1b2878ac336",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-02T19:11:23Z",
    "title_canon_sha256": "6b4048a244cb4c3444b4d2c1fa9a4442dde7cb6197824ec576000c22a4611a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907037",
    "kind": "arxiv",
    "version": 1
  }
}