Pith Number

pith:IG7L5BEW

pith:2018:IG7L5BEWA4KZYPTFGCXUK6P63F

not attested not anchored not stored refs pending

Prospect for cosmological parameter estimation using future Hubble parameter measurements

Anzhong Wang, Jia-Jia Geng, Jing-Fei Zhang, Rui-Yun Guo, Xin Zhang

arxiv:1806.10735 v1 · 2018-06-28 · 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{IG7L5BEWA4KZYPTFGCXUK6P63F}

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	2026-05-18T00:04:44.627541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41bebe849607159c3e6530af4579fed9512fb6e67f9f6e921853d93c97a2896c

Aliases

arxiv: 1806.10735 · arxiv_version: 1806.10735v1 · doi: 10.48550/arxiv.1806.10735 · pith_short_12: IG7L5BEWA4KZ · pith_short_16: IG7L5BEWA4KZYPTF · pith_short_8: IG7L5BEW

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/IG7L5BEWA4KZYPTFGCXUK6P63F \
  | 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: 41bebe849607159c3e6530af4579fed9512fb6e67f9f6e921853d93c97a2896c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d7e471367f0ed034f46b9b2a9273caaf53ac5217125e7452b096e6fecd168c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-06-28T01:57:10Z",
    "title_canon_sha256": "602558852a18baa9b323a20e4a09b0c84f0d832e110e792fbaa9642448652761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10735",
    "kind": "arxiv",
    "version": 1
  }
}