Pith Number

pith:NM2BGJWK

pith:2017:NM2BGJWK7FVF2OFGPCFPXMDYBN

not attested not anchored not stored refs pending

Symmetrization and extension of planar bi-Lipschitz maps

Leonid V. Kovalev

arxiv:1706.00102 v1 · 2017-05-31 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NM2BGJWK7FVF2OFGPCFPXMDYBN}

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	2026-05-18T00:11:18.874225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b341326caf96a5d38a6788afbb0780b5b97d566898d90ed144b7cb026133af8

Aliases

arxiv: 1706.00102 · arxiv_version: 1706.00102v1 · doi: 10.48550/arxiv.1706.00102 · pith_short_12: NM2BGJWK7FVF · pith_short_16: NM2BGJWK7FVF2OFG · pith_short_8: NM2BGJWK

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/NM2BGJWK7FVF2OFGPCFPXMDYBN \
  | 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: 6b341326caf96a5d38a6788afbb0780b5b97d566898d90ed144b7cb026133af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8ea3bd1233099511862a0553d17ca9095e4bf997681abc0392113b804c79427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-05-31T21:39:46Z",
    "title_canon_sha256": "f04ae49e8f5e1e1941edc691a9dbbab8eef72dfc4fdaae24d40c58855746cab8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00102",
    "kind": "arxiv",
    "version": 1
  }
}