Pith Number

pith:R4OXS7NH

pith:2017:R4OXS7NHORL2OGQT3AE6M5P5CC

not attested not anchored not stored refs pending

Hamiltonian Pseudo-rotations of Projective Spaces

Basak Z. Gurel, Viktor L. Ginzburg

arxiv:1712.09766 v2 · 2017-12-28 · math.SG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4OXS7NHORL2OGQT3AE6M5P5CC}

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	2026-05-18T00:04:13.387369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f1d797da77457a71a13d809e675fd108e28bea31fa17b86a342dd47d5777d24

Aliases

arxiv: 1712.09766 · arxiv_version: 1712.09766v2 · doi: 10.48550/arxiv.1712.09766 · pith_short_12: R4OXS7NHORL2 · pith_short_16: R4OXS7NHORL2OGQT · pith_short_8: R4OXS7NH

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/R4OXS7NHORL2OGQT3AE6M5P5CC \
  | 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: 8f1d797da77457a71a13d809e675fd108e28bea31fa17b86a342dd47d5777d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a3012e55af594480891f3af6c9b7d523d84f19eb19970bf6511811098c627c",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-12-28T06:01:40Z",
    "title_canon_sha256": "4e135d9c6fe5e93fb1fea9a8e6a9e5e0d06078d00ccf2c69fcc59a377de9f3ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09766",
    "kind": "arxiv",
    "version": 2
  }
}