Pith Number

pith:VP3KISGT

pith:2020:VP3KISGTMAYYXP6AIDETGSRXWT

not attested not anchored not stored refs pending

Using variability and VLBI to measure cosmological distances

Arman Shafieloo, Benjamin L'Huillier, Ioannis Liodakis, Jeffrey A. Hodgson, Sang-Sung Lee

arxiv:2003.10278 v1 · 2020-03-23 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VP3KISGTMAYYXP6AIDETGSRXWT}

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

Revisiting $\Lambda$CDM extensions in light of re-analyzed CMB data

Receipt and verification

First computed	2026-07-05T00:53:20.303751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf6a448d360318bbfc040c9334a37b4e930ab8b6142cdc4feb3915c9169caa5

Aliases

arxiv: 2003.10278 · arxiv_version: 2003.10278v1 · doi: 10.48550/arxiv.2003.10278 · pith_short_12: VP3KISGTMAYY · pith_short_16: VP3KISGTMAYYXP6A · pith_short_8: VP3KISGT

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/VP3KISGTMAYYXP6AIDETGSRXWT \
  | 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: abf6a448d360318bbfc040c9334a37b4e930ab8b6142cdc4feb3915c9169caa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeecebc1f3bfb82e7947e25a529da43cd39ebf89b3cba18c7955e2fdd969feb9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-03-23T13:43:57Z",
    "title_canon_sha256": "f5b5116e3b2895861222e23c87a6d94ce2bf0206c8b36e187572026370ddfabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10278",
    "kind": "arxiv",
    "version": 1
  }
}