Pith Number

pith:BXYPMLT3

pith:2022:BXYPMLT3YU2KSRZJGT3JAW4PKS

not attested not anchored not stored refs pending

Exploring the Hubble Tension and Spatial Curvature from the Ages of Old Astrophysical Objects

Fulvio Melia, Jun-Jie Wei

arxiv:2202.07865 v1 · 2022-02-16 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXYPMLT3YU2KSRZJGT3JAW4PKS}

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

Challenges for $\Lambda$CDM: An update

Receipt and verification

First computed	2026-07-05T04:13:51.150405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df0f62e7bc534a9472934f6905b8f549a689f31bfb0197030c4f4c4fd8fc7dd

Aliases

arxiv: 2202.07865 · arxiv_version: 2202.07865v1 · doi: 10.48550/arxiv.2202.07865 · pith_short_12: BXYPMLT3YU2K · pith_short_16: BXYPMLT3YU2KSRZJ · pith_short_8: BXYPMLT3

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/BXYPMLT3YU2KSRZJGT3JAW4PKS \
  | 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: 0df0f62e7bc534a9472934f6905b8f549a689f31bfb0197030c4f4c4fd8fc7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28190e96aa92cb2c5a83f673e144157841f9fd5600a9ac7404993b1396394c80",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-02-16T05:09:47Z",
    "title_canon_sha256": "edda05a009eb2bddd9741df5277b39558ae861cfb06ad3eff35b2245eb1c8774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07865",
    "kind": "arxiv",
    "version": 1
  }
}