Pith Number

pith:NIRGLFZ4

pith:2019:NIRGLFZ4M3EEIP26ASHOMSK355

not attested not anchored not stored refs pending

Monotone vector fields and generation of nonexpansive semigroups in complete CAT(0) spaces

Fumiaki Kohsaka, Parin Chaipunya, Poom Kumam

arxiv:1906.05984 v1 · 2019-06-14 · math.FA · math.MG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIRGLFZ4M3EEIP26ASHOMSK355}

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	2026-05-17T23:43:20.116451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a2265973c66c8443f5e048ee6495bef7f3f0c67df0244b4ef5d95c3dc2da8c5

Aliases

arxiv: 1906.05984 · arxiv_version: 1906.05984v1 · doi: 10.48550/arxiv.1906.05984 · pith_short_12: NIRGLFZ4M3EE · pith_short_16: NIRGLFZ4M3EEIP26 · pith_short_8: NIRGLFZ4

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/NIRGLFZ4M3EEIP26ASHOMSK355 \
  | 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: 6a2265973c66c8443f5e048ee6495bef7f3f0c67df0244b4ef5d95c3dc2da8c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e65ec3a5c71cba4575c8761382b6dbd3b377b72ff3d448f8a0672d8f9e8ae7",
    "cross_cats_sorted": [
      "math.MG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-06-14T02:10:00Z",
    "title_canon_sha256": "fe5a62daba0b94fb5e37c6229adbdecf52cb364dc97b029760d3ea59cdd9f7fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05984",
    "kind": "arxiv",
    "version": 1
  }
}