Pith Number

pith:XWVLNI5O

pith:2018:XWVLNI5OTUQ2M6BTC2RWSFRR6E

not attested not anchored not stored refs pending

Hubble flow variations as a test for inhomogeneous cosmology

Christoph Saulder, Eelco van Kampen, Steffen Mieske, Werner W. Zeilinger

arxiv:1811.11976 v3 · 2018-11-29 · 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{XWVLNI5OTUQ2M6BTC2RWSFRR6E}

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	2026-05-17T23:54:42.834300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdaab6a3ae9d21a6783316a3691631f13e022fb03f3c38d33c847a471f9908c4

Aliases

arxiv: 1811.11976 · arxiv_version: 1811.11976v3 · doi: 10.48550/arxiv.1811.11976 · pith_short_12: XWVLNI5OTUQ2 · pith_short_16: XWVLNI5OTUQ2M6BT · pith_short_8: XWVLNI5O

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/XWVLNI5OTUQ2M6BTC2RWSFRR6E \
  | 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: bdaab6a3ae9d21a6783316a3691631f13e022fb03f3c38d33c847a471f9908c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5a571e9a49ac26f69d844ef43653aa132a79fcea1e78d3f007deb94dc568d27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-29T06:04:20Z",
    "title_canon_sha256": "7f0ad9ff021c293899b5cf9a90d1c6dfeb70f9da8415b36dbebe4408f9516b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11976",
    "kind": "arxiv",
    "version": 3
  }
}