Pith Number

pith:HNSTZBQS

pith:2011:HNSTZBQS3IDJREJO627TRLIVQB

not attested not anchored not stored refs pending

Improved constraints on cosmological parameters from SNIa data

G.D. Starkman (CWRU), M.C. March (Imperial), P. Berkes (Volen Center for Complex Systems), P.M. Vaudrevange (CWRU/DESY), R. Trotta (Imperial)

arxiv:1102.3237 v4 · 2011-02-16 · 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{HNSTZBQS3IDJREJO627TRLIVQB}

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	2026-05-18T01:21:08.952842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b653c8612da0698912ef6bf38ad1580657aacdaab443a410050a463c4720748

Aliases

arxiv: 1102.3237 · arxiv_version: 1102.3237v4 · doi: 10.48550/arxiv.1102.3237 · pith_short_12: HNSTZBQS3IDJ · pith_short_16: HNSTZBQS3IDJREJO · pith_short_8: HNSTZBQS

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/HNSTZBQS3IDJREJO627TRLIVQB \
  | 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: 3b653c8612da0698912ef6bf38ad1580657aacdaab443a410050a463c4720748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5325af637c1275c4a2c3f85de2f0db82f1cdb87ac6fb81ef6b650581d19183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-16T04:57:53Z",
    "title_canon_sha256": "5e502e905f2d81998d2d0c761471d341308e313958e5a58a6e5d5257e13a82ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3237",
    "kind": "arxiv",
    "version": 4
  }
}