Pith Number

pith:STRWLKAE

pith:2001:STRWLKAEPJ3XWNCJGSNPAVVVRK

not attested not anchored not stored refs pending

Coping with Type Ia Supernova "Evolution" When Probing the Nature of the Dark Energy

David Branch, E. Baron, Peter Nugent, Saul Perlmutter

arxiv:astro-ph/0109070 v1 · 2001-09-05 · 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{STRWLKAEPJ3XWNCJGSNPAVVVRK}

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	2026-07-04T14:11:27.261347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e365a8047a777b3449349af056b58a8b7b16d9d1118e494d220625bf78f0c0

Aliases

arxiv: astro-ph/0109070 · arxiv_version: astro-ph/0109070v1 · doi: 10.48550/arxiv.astro-ph/0109070 · pith_short_12: STRWLKAEPJ3X · pith_short_16: STRWLKAEPJ3XWNCJ · pith_short_8: STRWLKAE

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/STRWLKAEPJ3XWNCJGSNPAVVVRK \
  | 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: 94e365a8047a777b3449349af056b58a8b7b16d9d1118e494d220625bf78f0c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17693b26d4a6f04311498521ca804784cf2f095e157d1155960548657e1277a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-05T19:51:01Z",
    "title_canon_sha256": "0d69771f6bbe108789b1f5d60ed182b587c2c8dd098b09b4b703383098cdba43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109070",
    "kind": "arxiv",
    "version": 1
  }
}