Pith Number

pith:OPANONXY

pith:2018:OPANONXYZDZTUWKUX37GE5RTGV

not attested not anchored not stored refs pending

Ehreshmann theory of connection in a principal bundle - compendium for physicists

Janusz Garecki, Marta Dudek

arxiv:1810.03447 v1 · 2018-10-04 · gr-qc · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPANONXYZDZTUWKUX37GE5RTGV}

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	2026-05-18T00:03:51.249300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c0d736f8c8f33a5954befe627633357888d2e671fcccdec6ba1c3ba8b7bfe0

Aliases

arxiv: 1810.03447 · arxiv_version: 1810.03447v1 · doi: 10.48550/arxiv.1810.03447 · pith_short_12: OPANONXYZDZT · pith_short_16: OPANONXYZDZTUWKU · pith_short_8: OPANONXY

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/OPANONXYZDZTUWKUX37GE5RTGV \
  | 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: 73c0d736f8c8f33a5954befe627633357888d2e671fcccdec6ba1c3ba8b7bfe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eab1405df65ff4b28b1cb0bdefcc6d1bb3603d286fce48c1a7abd6e0ac7e0b17",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-04T13:00:26Z",
    "title_canon_sha256": "9c43de8d4e3dbc01eb0d524c683c73891b777d1f0ebbe8638412df9205687e2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03447",
    "kind": "arxiv",
    "version": 1
  }
}