Pith Number

pith:N2WV35I7

pith:2016:N2WV35I7SOKP5RO5Z2Y2ALXBQJ

not attested not anchored not stored refs pending

Connections in sub-Riemannian geometry of parallelizable distributions

Ebtsam H. Taha, Nabil L. Youssef

arxiv:1603.06106 v2 · 2016-03-19 · math.DG · 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{N2WV35I7SOKP5RO5Z2Y2ALXBQJ}

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	2026-05-18T00:49:19.005061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ead5df51f9394fec5ddceb1a02ee182453392e9cb571ad8db3ba00e41c7cc3f

Aliases

arxiv: 1603.06106 · arxiv_version: 1603.06106v2 · doi: 10.48550/arxiv.1603.06106 · pith_short_12: N2WV35I7SOKP · pith_short_16: N2WV35I7SOKP5RO5 · pith_short_8: N2WV35I7

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/N2WV35I7SOKP5RO5Z2Y2ALXBQJ \
  | 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: 6ead5df51f9394fec5ddceb1a02ee182453392e9cb571ad8db3ba00e41c7cc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05905debb21185faa10b4d47d79c54bcdbea9c1149081398da68cd1ee95e344",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-03-19T15:39:15Z",
    "title_canon_sha256": "402038ed769eeffd6ca4c8f6456e62936e52c5171014b2f388214db09e65761b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06106",
    "kind": "arxiv",
    "version": 2
  }
}