Pith Number

pith:AKJBGGEY

pith:2022:AKJBGGEY7D7VI4XIIBUKOENQKA

not attested not anchored not stored refs pending

A crack in the track of the Hubble Constant

Marie Gueguen

arxiv:2210.09661 v1 · 2022-10-18 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKJBGGEY7D7VI4XIIBUKOENQKA}

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	2026-07-05T05:07:57.969937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0292131898f8ff5472e84068a711b0503f1c2ce97909b3371bae8d843095a933

Aliases

arxiv: 2210.09661 · arxiv_version: 2210.09661v1 · doi: 10.48550/arxiv.2210.09661 · pith_short_12: AKJBGGEY7D7V · pith_short_16: AKJBGGEY7D7VI4XI · pith_short_8: AKJBGGEY

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/AKJBGGEY7D7VI4XIIBUKOENQKA \
  | 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: 0292131898f8ff5472e84068a711b0503f1c2ce97909b3371bae8d843095a933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06bece49f1f90a40d0c38065e9c6a16d0f01559864cbb1d1dc8712f4febc64d5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-10-18T07:57:43Z",
    "title_canon_sha256": "c5d6f0bc25dcae59737c103477181050f2071ea75f7782707c5eb6be89f61e47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.09661",
    "kind": "arxiv",
    "version": 1
  }
}