Pith Number

pith:NFOYKRTQ

pith:2019:NFOYKRTQTLWS2ASGC7WZDVUX5O

not attested not anchored not stored refs pending

Solution to Generalized Borsuk Problem in Terms of the Gromov-Hausdorff Distances to Simplexes

Alexander Ivanov, Alexei Tuzhilin

arxiv:1906.10574 v1 · 2019-06-25 · math.MG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFOYKRTQTLWS2ASGC7WZDVUX5O}

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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.

Cited by

2 papers in Pith

The Gromov-Hausdorff Distances between Simplexes and Ultrametric Spaces

The Gromov--Hausdorff Distance between Simplexes and Two-Distance Spaces

Receipt and verification

First computed	2026-05-17T23:42:15.936597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

695d8546709aed2d024617ed91d697ebad2ba5f2933a32baaaeb168709cd917c

Aliases

arxiv: 1906.10574 · arxiv_version: 1906.10574v1 · doi: 10.48550/arxiv.1906.10574 · pith_short_12: NFOYKRTQTLWS · pith_short_16: NFOYKRTQTLWS2ASG · pith_short_8: NFOYKRTQ

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/NFOYKRTQTLWS2ASGC7WZDVUX5O \
  | 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: 695d8546709aed2d024617ed91d697ebad2ba5f2933a32baaaeb168709cd917c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "307a06ddd0693cc66105fdabffb511ce6ea81f61ec0306eeef2dec21ce6518ea",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-06-25T14:45:10Z",
    "title_canon_sha256": "9f98a7f9837201b5bbc0a0de86b917d1ab55055f89c22b6330a310ac04fba344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10574",
    "kind": "arxiv",
    "version": 1
  }
}