Pith Number

pith:3DTE2CUL

pith:1999:3DTE2CULOXWQPTGK4T4ZTSL23Y

not attested not anchored not stored refs pending

Some remarks on a nongeometrical interpretation of gravity and the flatness problem

H. Nikolic

arxiv:gr-qc/9901057 v1 · 1999-01-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DTE2CULOXWQPTGK4T4ZTSL23Y}

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	2026-05-18T02:37:28.096492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8e64d0a8b75ed07cccae4f999c97ade197a62d4efcd8db58d2705c2c054bb30

Aliases

arxiv: gr-qc/9901057 · arxiv_version: gr-qc/9901057v1 · doi: 10.48550/arxiv.gr-qc/9901057 · pith_short_12: 3DTE2CULOXWQ · pith_short_16: 3DTE2CULOXWQPTGK · pith_short_8: 3DTE2CUL

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/3DTE2CULOXWQPTGK4T4ZTSL23Y \
  | 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: d8e64d0a8b75ed07cccae4f999c97ade197a62d4efcd8db58d2705c2c054bb30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e166a182d4cdecd51fa95fd5dac7245e4f26617733120237816d6ea1d659c3b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-01-21T14:12:01Z",
    "title_canon_sha256": "58e7beb0cfc498c9a2e531e59fc17528bfbef663bf931bf96d30b406e60f89a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9901057",
    "kind": "arxiv",
    "version": 1
  }
}