Pith Number

pith:RHUH55IT

pith:2010:RHUH55IT6UQTPOPDER4UHZ4L66

not attested not anchored not stored refs pending

The warping of extra spaces accelerates the expansion of the universe

Ishwaree P Neupane

arxiv:1004.0254 v2 · 2010-04-01 · 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{RHUH55IT6UQTPOPDER4UHZ4L66}

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	2026-05-18T04:31:50.429734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89e87ef513f52137b9e3247943e78bf7ae69ec36a44146be8221320f0b3943af

Aliases

arxiv: 1004.0254 · arxiv_version: 1004.0254v2 · doi: 10.48550/arxiv.1004.0254 · pith_short_12: RHUH55IT6UQT · pith_short_16: RHUH55IT6UQTPOPD · pith_short_8: RHUH55IT

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/RHUH55IT6UQTPOPDER4UHZ4L66 \
  | 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: 89e87ef513f52137b9e3247943e78bf7ae69ec36a44146be8221320f0b3943af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac741ad48c147e21bb88269330262747b6be2e909c08dcf2fe30605e2bcef46b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-01T23:36:48Z",
    "title_canon_sha256": "16b0aace1811a577c1224a42512bf35f7a1a1a468d66e6b32cc70bed2764cf38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0254",
    "kind": "arxiv",
    "version": 2
  }
}