Pith Number

pith:G25TYG6M

pith:2010:G25TYG6MMZUDXPF5KWA3XM4VBI

not attested not anchored not stored refs pending

Power of Observational Hubble Parameter Data: a Figure of Merit Exploration

2) ((1) Department of Astronomy, (2) Center for High Energy Physics, Beijing Normal University, Cong Ma (1), Peking University), Tong-Jie Zhang (1

arxiv:1007.3787 v2 · 2010-07-22 · 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{G25TYG6MMZUDXPF5KWA3XM4VBI}

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

2 papers in Pith

Comparative Analysis of EMCEE, Gaussian Process, and Masked Autoregressive Flow in Constraining the Hubble Constant Using Cosmic Chronometers Dataset

Latent-Space Gaussian Processes for Dark-Energy Reconstruction from Observational \(H(z)\) Data

Receipt and verification

First computed	2026-05-18T04:27:03.676150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36bb3c1bcc66683bbcbd5581bbb3950a170b74c25ea3751b08dfbe1c9b207ec9

Aliases

arxiv: 1007.3787 · arxiv_version: 1007.3787v2 · doi: 10.48550/arxiv.1007.3787 · pith_short_12: G25TYG6MMZUD · pith_short_16: G25TYG6MMZUDXPF5 · pith_short_8: G25TYG6M

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/G25TYG6MMZUDXPF5KWA3XM4VBI \
  | 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: 36bb3c1bcc66683bbcbd5581bbb3950a170b74c25ea3751b08dfbe1c9b207ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bdef02df98c02235f6053c87e45362bc55c4ae2b206aa481414a6251ff2f2bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-22T02:37:51Z",
    "title_canon_sha256": "38ff1aaeb388802d78d0a8e7ec0fb27049026bd01361edeedcdb40e7f0d248e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3787",
    "kind": "arxiv",
    "version": 2
  }
}