Pith Number

pith:O7BR3S45

pith:2004:O7BR3S45EHZ4CXZVIYAEEQEYET

not attested not anchored not stored refs pending

Remarks on dimensional reduction of multidimensional cosmological models

Alexander Zhuk, Uwe Guenther

arxiv:gr-qc/0401003 v2 · 2004-01-02 · gr-qc · hep-ph · 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{O7BR3S45EHZ4CXZVIYAEEQEYET}

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	2026-05-18T00:59:50.642269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77c31dcb9d21f3c15f35460042409824f5789e32213e8f3c02b2eb295404873b

Aliases

arxiv: gr-qc/0401003 · arxiv_version: gr-qc/0401003v2 · doi: 10.48550/arxiv.gr-qc/0401003 · pith_short_12: O7BR3S45EHZ4 · pith_short_16: O7BR3S45EHZ4CXZV · pith_short_8: O7BR3S45

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/O7BR3S45EHZ4CXZVIYAEEQEYET \
  | 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: 77c31dcb9d21f3c15f35460042409824f5789e32213e8f3c02b2eb295404873b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3657287f3799a832ab5c0b9f7ea1f19ab066f16d42c9c40ba7fbcbe1d617704f",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-01-02T14:27:51Z",
    "title_canon_sha256": "68486b6109275d67e56501957f9bbd110251f4be8ed30453f2510a65db67c385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0401003",
    "kind": "arxiv",
    "version": 2
  }
}