Pith Number

pith:TXHNYVX4

pith:2016:TXHNYVX4I4OJIBNNBL5YHMY22W

not attested not anchored not stored refs pending

Is the expansion of the universe accelerating? All signs point to yes

Brian Hayden, David Rubin

arxiv:1610.08972 v3 · 2016-10-27 · 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{TXHNYVX4I4OJIBNNBL5YHMY22W}

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.

Cited by

1 paper in Pith

Pantheon+ supernovae corrected for progenitor age indicate the universe is decelerating

Receipt and verification

First computed	2026-05-18T00:54:42.657380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dcedc56fc471c9405ad0afb83b31ad5a8ea4c3cac821c2a78fc12c61d519c55

Aliases

arxiv: 1610.08972 · arxiv_version: 1610.08972v3 · doi: 10.48550/arxiv.1610.08972 · pith_short_12: TXHNYVX4I4OJ · pith_short_16: TXHNYVX4I4OJIBNN · pith_short_8: TXHNYVX4

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/TXHNYVX4I4OJIBNNBL5YHMY22W \
  | 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: 9dcedc56fc471c9405ad0afb83b31ad5a8ea4c3cac821c2a78fc12c61d519c55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59d929852c2a97ebcd30074d731dacdcd20b7b90e0f37d28e3f97522570fe954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-10-27T19:58:27Z",
    "title_canon_sha256": "9b89d49d124a2e63722ef9a80070247c779dd01f4400c8548198755888959be6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08972",
    "kind": "arxiv",
    "version": 3
  }
}