Pith Number

pith:V5AKLHUL

pith:2020:V5AKLHUL4A6WVCP234C73FKOUG

not attested not anchored not stored refs pending

The Parallax of Omega Centauri Measured from Gaia EDR3 and a Direct, Geometric Calibration of the Tip of the Red Giant Branch and the Hubble Constant

Adam G. Riess, John Soltis, Stefano Casertano

arxiv:2012.09196 v2 · 2020-12-16 · astro-ph.GA · 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{V5AKLHUL4A6WVCP234C73FKOUG}

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

The Hubble Tension and Early Dark Energy

Receipt and verification

First computed	2026-07-05T02:14:32.841008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af40a59e8be03d6a89fadf05fd954ea18515c19a1ae6025f97bdc920fdffba5b

Aliases

arxiv: 2012.09196 · arxiv_version: 2012.09196v2 · doi: 10.48550/arxiv.2012.09196 · pith_short_12: V5AKLHUL4A6W · pith_short_16: V5AKLHUL4A6WVCP2 · pith_short_8: V5AKLHUL

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/V5AKLHUL4A6WVCP234C73FKOUG \
  | 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: af40a59e8be03d6a89fadf05fd954ea18515c19a1ae6025f97bdc920fdffba5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f289496bc8759a096da86d1555eeb7abaa24956d575e95b90589df3de2d847a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-16T19:00:06Z",
    "title_canon_sha256": "077abeb1b8587e934784edba212e15374eaaf51ada94979173ba05a3c65ecbc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09196",
    "kind": "arxiv",
    "version": 2
  }
}