Pith Number

pith:KUZO7XF6

pith:2008:KUZO7XF6T5APPSF5QXF7UEJY2Y

not attested not anchored not stored refs pending

Accelerated expansion through interaction

Winfried Zimdahl

arxiv:0812.2292 v1 · 2008-12-12 · astro-ph · gr-qc · 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{KUZO7XF6T5APPSF5QXF7UEJY2Y}

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	2026-05-18T02:15:10.743966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5532efdcbe9f40f7c8bd85cbfa1138d61960c2e4aedf7ee48a70d55420f74eb6

Aliases

arxiv: 0812.2292 · arxiv_version: 0812.2292v1 · doi: 10.48550/arxiv.0812.2292 · pith_short_12: KUZO7XF6T5AP · pith_short_16: KUZO7XF6T5APPSF5 · pith_short_8: KUZO7XF6

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/KUZO7XF6T5APPSF5QXF7UEJY2Y \
  | 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: 5532efdcbe9f40f7c8bd85cbfa1138d61960c2e4aedf7ee48a70d55420f74eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d37d4eef65afdbeecbcd8f1c004eb8b885849728eb3e2289fa2ecc8c96de223d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-12T19:36:50Z",
    "title_canon_sha256": "a0e1d927f18a9cc2d4862be0195f91d144f788a0b243440fff41acdc940b3256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2292",
    "kind": "arxiv",
    "version": 1
  }
}