Pith Number

pith:SVDUOU2N

pith:2018:SVDUOU2NPJKBJCVPPBYHDWKQJI

not attested not anchored not stored refs pending

$H_0$ Tension and the Phantom Regime: A Case Study In Terms of an Infrared $f(T)$ Gravity

Amr El-Zant, Sherif Elgammal, Waleed El Hanafy

arxiv:1809.09390 v2 · 2018-09-25 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVDUOU2NPJKBJCVPPBYHDWKQJI}

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	2026-05-17T23:54:58.952219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954747534d7a54148aaf787071d9504a2e3b88c366e5cb96add0cedaf79df00f

Aliases

arxiv: 1809.09390 · arxiv_version: 1809.09390v2 · doi: 10.48550/arxiv.1809.09390 · pith_short_12: SVDUOU2NPJKB · pith_short_16: SVDUOU2NPJKBJCVP · pith_short_8: SVDUOU2N

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/SVDUOU2NPJKBJCVPPBYHDWKQJI \
  | 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: 954747534d7a54148aaf787071d9504a2e3b88c366e5cb96add0cedaf79df00f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4609a1b675180d5122df08d4e2130b390501ae47cafb94281010298c8e7df17b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-25T10:01:56Z",
    "title_canon_sha256": "d165729c2616ec4338a461948cdbc6f65e26ba1cc447f77b8a3f801b5926c43f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09390",
    "kind": "arxiv",
    "version": 2
  }
}