Pith Number

pith:WDUHYFPP

pith:2016:WDUHYFPPHL2PGDNZCXQSV623R4

not attested not anchored not stored refs pending

Impact of a locally measured H_0 on the interpretation of cosmic chronometer data

Fulvio Melia, Jun-Jie Wei, Xue-Feng Wu

arxiv:1612.08491 v1 · 2016-12-27 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDUHYFPPHL2PGDNZCXQSV623R4}

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	2026-05-18T00:05:19.901274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e87c15ef3af4f30db915e12afb5b8f006440a5794afcc1c60a39ee060dcb5e

Aliases

arxiv: 1612.08491 · arxiv_version: 1612.08491v1 · doi: 10.48550/arxiv.1612.08491 · pith_short_12: WDUHYFPPHL2P · pith_short_16: WDUHYFPPHL2PGDNZ · pith_short_8: WDUHYFPP

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/WDUHYFPPHL2PGDNZCXQSV623R4 \
  | 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: b0e87c15ef3af4f30db915e12afb5b8f006440a5794afcc1c60a39ee060dcb5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35424cb995989b02320e3912c0af744faa82d40bdb9fa8d2d5a8ff4c377e1ae5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-27T03:48:42Z",
    "title_canon_sha256": "e778aa8e0c1552d85c4f6b39db6ccdea481278643b98e185696ec816b1d05475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08491",
    "kind": "arxiv",
    "version": 1
  }
}