Pith Number

pith:Z66UG6AI

pith:2007:Z66UG6AIQ5QKKWZSYQ7YOJS5I6

not attested not anchored not stored refs pending

Vacuum properties of nonsymmetric gravity in de Sitter space

Tomas Janssen, Tomislav Prokopec (ITP & Spinoza Institute, Utrecht University)

arxiv:gr-qc/0703050 v1 · 2007-03-07 · gr-qc · astro-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{Z66UG6AIQ5QKKWZSYQ7YOJS5I6}

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	2026-05-18T04:38:38.435090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfbd4378088760a55b32c43f87265d479b0be4939dc9a03201d6f2153f94b76f

Aliases

arxiv: gr-qc/0703050 · arxiv_version: gr-qc/0703050v1 · doi: 10.48550/arxiv.gr-qc/0703050 · pith_short_12: Z66UG6AIQ5QK · pith_short_16: Z66UG6AIQ5QKKWZS · pith_short_8: Z66UG6AI

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/Z66UG6AIQ5QKKWZSYQ7YOJS5I6 \
  | 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: cfbd4378088760a55b32c43f87265d479b0be4939dc9a03201d6f2153f94b76f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36cd551a4cb498ec63ddab43ec3cf7bdf11399023608be978a7e367be6b56946",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-03-07T18:11:51Z",
    "title_canon_sha256": "02ca076777626ca066d94924dfe7064f23f76fb550a3a272dc6b6b28b5c37bf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0703050",
    "kind": "arxiv",
    "version": 1
  }
}